55553864 has 16 divisors (see below), whose sum is σ = 104985600. Its totient is φ = 27557712.

The previous prime is 55553863. The next prime is 55553881. The reversal of 55553864 is 46835555.

It is not an unprimeable number, because it can be changed into a prime (55553863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26324 + ... + 28355.

It is an arithmetic number, because the mean of its divisors is an integer number (6561600).

Almost surely, 2^55553864 is an apocalyptic number.

It is an amenable number.

55553864 is a deficient number, since it is larger than the sum of its proper divisors (49431736).

55553864 is a wasteful number, since it uses less digits than its factorization.

55553864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54812 (or 54808 counting only the distinct ones).

The product of its digits is 360000, while the sum is 41.

The square root of 55553864 is about 7453.4464511392. The cubic root of 55553864 is about 381.5675414497.

The spelling of 55553864 in words is "fifty-five million, five hundred fifty-three thousand, eight hundred sixty-four".