55497324 has 12 divisors (see below), whose sum is σ = 129493784. Its totient is φ = 18499104.

The previous prime is 55497317. The next prime is 55497331. The reversal of 55497324 is 42379455.

It is an interprime number because it is at equal distance from previous prime (55497317) and next prime (55497331).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-4 number, since 4×55497324⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2312377 + ... + 2312400.

Almost surely, 2^55497324 is an apocalyptic number.

It is an amenable number.

55497324 is an abundant number, since it is smaller than the sum of its proper divisors (73996460).

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

55497324 is a wasteful number, since it uses less digits than its factorization.

55497324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4624784 (or 4624782 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 55497324 is about 7449.6526093503. The cubic root of 55497324 is about 381.4380505957.

The spelling of 55497324 in words is "fifty-five million, four hundred ninety-seven thousand, three hundred twenty-four".