55165160 has 16 divisors (see below), whose sum is σ = 124121700. Its totient is φ = 22066048.

The previous prime is 55165139. The next prime is 55165183. The reversal of 55165160 is 6156155.

It can be written as a sum of positive squares in 2 ways, for example, as 53085796 + 2079364 = 7286^2 + 1442^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 689525 + ... + 689604.

Almost surely, 2^55165160 is an apocalyptic number.

It is an amenable number.

55165160 is an abundant number, since it is smaller than the sum of its proper divisors (68956540).

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

55165160 is a wasteful number, since it uses less digits than its factorization.

55165160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379140 (or 1379136 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55165160 is about 7427.3252251399. The cubic root of 55165160 is about 380.6755296946.

The spelling of 55165160 in words is "fifty-five million, one hundred sixty-five thousand, one hundred sixty".