55597464 has 48 divisors (see below), whose sum is σ = 162162000. Its totient is φ = 17106624.

The previous prime is 55597453. The next prime is 55597481. The reversal of 55597464 is 46479555.

55597464 is a `hidden beast` number, since 55 + 597 + 4 + 6 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28764 + ... + 30635.

It is an arithmetic number, because the mean of its divisors is an integer number (3378375).

Almost surely, 2^55597464 is an apocalyptic number.

It is an amenable number.

55597464 is an abundant number, since it is smaller than the sum of its proper divisors (106564536).

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

55597464 is a wasteful number, since it uses less digits than its factorization.

55597464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59424 (or 59417 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 55597464 is about 7456.3706989393. The cubic root of 55597464 is about 381.6673364552.

The spelling of 55597464 in words is "fifty-five million, five hundred ninety-seven thousand, four hundred sixty-four".