55292664 has 32 divisors (see below), whose sum is σ = 157979520. Its totient is φ = 15797856.

The previous prime is 55292659. The next prime is 55292683. The reversal of 55292664 is 46629255.

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, 164394 + ... + 164729.

It is an arithmetic number, because the mean of its divisors is an integer number (4936860).

Almost surely, 2^55292664 is an apocalyptic number.

It is an amenable number.

55292664 is an abundant number, since it is smaller than the sum of its proper divisors (102686856).

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

55292664 is a wasteful number, since it uses less digits than its factorization.

55292664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329139 (or 329135 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 55292664 is about 7435.9037110495. The cubic root of 55292664 is about 380.9685909035.

The spelling of 55292664 in words is "fifty-five million, two hundred ninety-two thousand, six hundred sixty-four".