55697610 has 32 divisors (see below), whose sum is σ = 141538752. Its totient is φ = 13978880.

The previous prime is 55697581. The next prime is 55697657. The reversal of 55697610 is 1679655.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54096 + ... + 55115.

It is an arithmetic number, because the mean of its divisors is an integer number (4423086).

Almost surely, 2^55697610 is an apocalyptic number.

55697610 is an abundant number, since it is smaller than the sum of its proper divisors (85841142).

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

55697610 is a wasteful number, since it uses less digits than its factorization.

55697610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109238.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 55697610 is about 7463.0831430448. The cubic root of 55697610 is about 381.8963608724.

The spelling of 55697610 in words is "fifty-five million, six hundred ninety-seven thousand, six hundred ten".