55574864 has 20 divisors (see below), whose sum is σ = 107939520. Its totient is φ = 27719520.

The previous prime is 55574863. The next prime is 55574879. The reversal of 55574864 is 46847555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55574863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867 + ... + 10925.

It is an arithmetic number, because the mean of its divisors is an integer number (5396976).

Almost surely, 2^55574864 is an apocalyptic number.

It is an amenable number.

55574864 is a deficient number, since it is larger than the sum of its proper divisors (52364656).

55574864 is a wasteful number, since it uses less digits than its factorization.

55574864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8498 (or 8492 counting only the distinct ones).

The product of its digits is 672000, while the sum is 44.

The square root of 55574864 is about 7454.8550623067. The cubic root of 55574864 is about 381.6156143669.

The spelling of 55574864 in words is "fifty-five million, five hundred seventy-four thousand, eight hundred sixty-four".