55724604 has 48 divisors (see below), whose sum is σ = 140499072. Its totient is φ = 17088192.

The previous prime is 55724569. The next prime is 55724609. The reversal of 55724604 is 40642755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55724609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81247 + ... + 81929.

It is an arithmetic number, because the mean of its divisors is an integer number (2927064).

Almost surely, 2^55724604 is an apocalyptic number.

It is an amenable number.

55724604 is an abundant number, since it is smaller than the sum of its proper divisors (84774468).

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

55724604 is a wasteful number, since it uses less digits than its factorization.

55724604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 55724604 is about 7464.8914258682. The cubic root of 55724604 is about 381.9580466156.

The spelling of 55724604 in words is "fifty-five million, seven hundred twenty-four thousand, six hundred four".