55706624 has 22 divisors (see below), whose sum is σ = 111360894. Its totient is φ = 27852800.

The previous prime is 55706587. The next prime is 55706641. The reversal of 55706624 is 42660755.

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 4326400 = 7168^2 + 2080^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26177 + ... + 28224.

Almost surely, 2^55706624 is an apocalyptic number.

It is an amenable number.

55706624 is a deficient number, since it is larger than the sum of its proper divisors (55654270).

55706624 is an equidigital number, since it uses as much as digits as its factorization.

55706624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54421 (or 54403 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 55706624 is about 7463.6870245208. The cubic root of 55706624 is about 381.9169615655.

The spelling of 55706624 in words is "fifty-five million, seven hundred six thousand, six hundred twenty-four".