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55164308 = 2253260209
BaseRepresentation
bin1101001001101…
…1110110010100
310211210122012112
43102123312110
5103110224213
65250210152
71236613613
oct322336624
9124718175
1055164308
1129158841
1216583958
13b575c04
14747d87a
154c99ea8
hex349bd94

55164308 has 12 divisors (see below), whose sum is σ = 98359380. Its totient is φ = 27061632.

The previous prime is 55164287. The next prime is 55164331. The reversal of 55164308 is 80346155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 9168784 = 6782^2 + 3028^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129893 + ... + 130316.

It is an arithmetic number, because the mean of its divisors is an integer number (8196615).

Almost surely, 255164308 is an apocalyptic number.

It is an amenable number.

55164308 is a deficient number, since it is larger than the sum of its proper divisors (43195072).

55164308 is a wasteful number, since it uses less digits than its factorization.

55164308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260266 (or 260264 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 55164308 is about 7427.2678691427. The cubic root of 55164308 is about 380.6735698996.

The spelling of 55164308 in words is "fifty-five million, one hundred sixty-four thousand, three hundred eight".

Divisors: 1 2 4 53 106 212 260209 520418 1040836 13791077 27582154 55164308