55023664 has 10 divisors (see below), whose sum is σ = 106608380. Its totient is φ = 27511824.

The previous prime is 55023653. The next prime is 55023671. The reversal of 55023664 is 46632055.

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 as a sum of consecutive naturals, namely, 1719474 + ... + 1719505.

It is an arithmetic number, because the mean of its divisors is an integer number (10660838).

Almost surely, 2^55023664 is an apocalyptic number.

It is an amenable number.

55023664 is a deficient number, since it is larger than the sum of its proper divisors (51584716).

55023664 is a wasteful number, since it uses less digits than its factorization.

55023664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438987 (or 3438981 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 55023664 is about 7417.7937420772. The cubic root of 55023664 is about 380.3497795085.

The spelling of 55023664 in words is "fifty-five million, twenty-three thousand, six hundred sixty-four".