55700658 has 24 divisors (see below), whose sum is σ = 129968748. Its totient is φ = 17138592.

The previous prime is 55700639. The next prime is 55700681. The reversal of 55700658 is 85600755.

It can be written as a sum of positive squares in 2 ways, for example, as 48066489 + 7634169 = 6933^2 + 2763^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118785 + ... + 119252.

Almost surely, 2^55700658 is an apocalyptic number.

55700658 is an abundant number, since it is smaller than the sum of its proper divisors (74268090).

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

55700658 is a wasteful number, since it uses less digits than its factorization.

55700658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238058 (or 238055 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 55700658 is about 7463.2873453995. The cubic root of 55700658 is about 381.9033270533.

The spelling of 55700658 in words is "fifty-five million, seven hundred thousand, six hundred fifty-eight".