55523964 has 24 divisors (see below), whose sum is σ = 130894288. Its totient is φ = 18316800.

The previous prime is 55523911. The next prime is 55523971. The reversal of 55523964 is 46932555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22687 + ... + 25014.

Almost surely, 2^55523964 is an apocalyptic number.

It is an amenable number.

55523964 is an abundant number, since it is smaller than the sum of its proper divisors (75370324).

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

55523964 is a wasteful number, since it uses less digits than its factorization.

55523964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47805 (or 47803 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The square root of 55523964 is about 7451.4403976681. The cubic root of 55523964 is about 381.4990738635.

The spelling of 55523964 in words is "fifty-five million, five hundred twenty-three thousand, nine hundred sixty-four".