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55534788 = 22332379283
BaseRepresentation
bin1101001111011…
…0010011000100
310212111110102000
43103312103010
5103204103123
65302145300
71243016001
oct323662304
9125443360
1055534788
1129391121
1216722230
13b67572a
1475388a8
154d1eb43
hex34f64c4

55534788 has 96 divisors (see below), whose sum is σ = 152678400. Its totient is φ = 17420832.

The previous prime is 55534771. The next prime is 55534789. The reversal of 55534788 is 88743555.

55534788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×555347882 = 6168225356409888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55534789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196095 + ... + 196377.

It is an arithmetic number, because the mean of its divisors is an integer number (1590400).

Almost surely, 255534788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55534788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76339200).

55534788 is an abundant number, since it is smaller than the sum of its proper divisors (97143612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55534788 is a wasteful number, since it uses less digits than its factorization.

55534788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 390 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 55534788 is about 7452.1666648029. The cubic root of 55534788 is about 381.5238624255.

The spelling of 55534788 in words is "fifty-five million, five hundred thirty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 27 36 46 54 69 79 92 108 138 158 207 237 276 283 316 414 474 566 621 711 828 849 948 1132 1242 1422 1698 1817 2133 2484 2547 2844 3396 3634 4266 5094 5451 6509 7268 7641 8532 10188 10902 13018 15282 16353 19527 21804 22357 26036 30564 32706 39054 44714 49059 58581 65412 67071 78108 89428 98118 117162 134142 175743 196236 201213 234324 268284 351486 402426 514211 603639 702972 804852 1028422 1207278 1542633 2056844 2414556 3085266 4627899 6170532 9255798 13883697 18511596 27767394 55534788