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55452408 = 23311297243
BaseRepresentation
bin1101001110001…
…0001011111000
310212100021101220
43103202023320
5103143434113
65300312040
71242223554
oct323421370
9125307356
1055452408
1129335240
12166a2620
13b64709b
147516864
154d05523
hex34e22f8

55452408 has 64 divisors (see below), whose sum is σ = 156470400. Its totient is φ = 16222080.

The previous prime is 55452403. The next prime is 55452409. The reversal of 55452408 is 80425455.

55452408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452401) 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 15 ways as a sum of consecutive naturals, for example, 4035 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (2444850).

Almost surely, 255452408 is an apocalyptic number.

55452408 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55452408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78235200).

55452408 is an abundant number, since it is smaller than the sum of its proper divisors (101017992).

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

55452408 is a wasteful number, since it uses less digits than its factorization.

55452408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292 (or 7288 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 55452408 is about 7446.6373619238. The cubic root of 55452408 is about 381.3351189325.

The spelling of 55452408 in words is "fifty-five million, four hundred fifty-two thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 29 33 44 58 66 87 88 116 132 174 232 264 319 348 638 696 957 1276 1914 2552 3828 7243 7656 14486 21729 28972 43458 57944 79673 86916 159346 173832 210047 239019 318692 420094 478038 630141 637384 840188 956076 1260282 1680376 1912152 2310517 2520564 4621034 5041128 6931551 9242068 13863102 18484136 27726204 55452408