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55432704 = 293151239
BaseRepresentation
bin1101001101110…
…1011000000000
310212022021101010
43103131120000
5103142321304
65300040520
71242112245
oct323353000
9125267333
1055432704
1129321458
1216693140
13b63b122
14750d5cc
154cee789
hex34dd600

55432704 has 80 divisors (see below), whose sum is σ = 149276160. Its totient is φ = 18278400.

The previous prime is 55432703. The next prime is 55432721. The reversal of 55432704 is 40723455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55432703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231817 + ... + 232055.

It is an arithmetic number, because the mean of its divisors is an integer number (1865952).

Almost surely, 255432704 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 55432704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74638080).

55432704 is an abundant number, since it is smaller than the sum of its proper divisors (93843456).

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

55432704 is a wasteful number, since it uses less digits than its factorization.

55432704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 55432704 is about 7445.3142311121. The cubic root of 55432704 is about 381.2899467594.

The spelling of 55432704 in words is "fifty-five million, four hundred thirty-two thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 151 192 239 256 302 384 453 478 512 604 717 768 906 956 1208 1434 1536 1812 1912 2416 2868 3624 3824 4832 5736 7248 7648 9664 11472 14496 15296 19328 22944 28992 30592 36089 38656 45888 57984 61184 72178 77312 91776 108267 115968 122368 144356 183552 216534 231936 288712 367104 433068 577424 866136 1154848 1732272 2309696 3464544 4619392 6929088 9238784 13858176 18477568 27716352 55432704