55370724 has 24 divisors (see below), whose sum is σ = 129568320. Its totient is φ = 18404064.

The previous prime is 55370723. The next prime is 55370753. The reversal of 55370724 is 42707355.

It is not an unprimeable number, because it can be changed into a prime (55370723) 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, 2119 + ... + 10734.

It is an arithmetic number, because the mean of its divisors is an integer number (5398680).

Almost surely, 2^55370724 is an apocalyptic number.

It is an amenable number.

55370724 is an abundant number, since it is smaller than the sum of its proper divisors (74197596).

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

55370724 is a wasteful number, since it uses less digits than its factorization.

55370724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219 (or 13217 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 55370724 is about 7441.1507174630. The cubic root of 55370724 is about 381.1477854085.

The spelling of 55370724 in words is "fifty-five million, three hundred seventy thousand, seven hundred twenty-four".