55364624 has 20 divisors (see below), whose sum is σ = 122593344. Its totient is φ = 23727648.

The previous prime is 55364623. The next prime is 55364629. The reversal of 55364624 is 42646355.

It is a happy number.

It is a super-2 number, since 2×55364624² = 6130483181322752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55364623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247052 + ... + 247275.

Almost surely, 2^55364624 is an apocalyptic number.

It is an amenable number.

55364624 is an abundant number, since it is smaller than the sum of its proper divisors (67228720).

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

55364624 is a wasteful number, since it uses less digits than its factorization.

55364624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494342 (or 494336 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The square root of 55364624 is about 7440.7408233320. The cubic root of 55364624 is about 381.1337883194.

The spelling of 55364624 in words is "fifty-five million, three hundred sixty-four thousand, six hundred twenty-four".