55700624 has 40 divisors (see below), whose sum is σ = 123974208. Its totient is φ = 23748480.

The previous prime is 55700611. The next prime is 55700627. The reversal of 55700624 is 42600755.

It is not an unprimeable number, because it can be changed into a prime (55700627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22454 + ... + 24810.

Almost surely, 2^55700624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55700624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61987104).

55700624 is an abundant number, since it is smaller than the sum of its proper divisors (68273584).

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

55700624 is a wasteful number, since it uses less digits than its factorization.

55700624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583 (or 2577 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 55700624 is about 7463.2850675825. The cubic root of 55700624 is about 381.9032493480.

The spelling of 55700624 in words is "fifty-five million, seven hundred thousand, six hundred twenty-four".