55165460 has 24 divisors (see below), whose sum is σ = 132397440. Its totient is φ = 18913824.

The previous prime is 55165447. The next prime is 55165471. The reversal of 55165460 is 6456155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196880 + ... + 197159.

It is an arithmetic number, because the mean of its divisors is an integer number (5516560).

Almost surely, 2^55165460 is an apocalyptic number.

It is an amenable number.

55165460 is an abundant number, since it is smaller than the sum of its proper divisors (77231980).

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

55165460 is a wasteful number, since it uses less digits than its factorization.

55165460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394055 (or 394053 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 55165460 is about 7427.3454208082. The cubic root of 55165460 is about 380.6762197585.

The spelling of 55165460 in words is "fifty-five million, one hundred sixty-five thousand, four hundred sixty".