55382568 has 32 divisors (see below), whose sum is σ = 145744800. Its totient is φ = 17489088.

The previous prime is 55382563. The next prime is 55382603. The reversal of 55382568 is 86528355.

It is not an unprimeable number, because it can be changed into a prime (55382563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60271 + ... + 61182.

It is an arithmetic number, because the mean of its divisors is an integer number (4554525).

Almost surely, 2^55382568 is an apocalyptic number.

It is an amenable number.

55382568 is an abundant number, since it is smaller than the sum of its proper divisors (90362232).

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

55382568 is a wasteful number, since it uses less digits than its factorization.

55382568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121481 (or 121477 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 55382568 is about 7441.9465195606. The cubic root of 55382568 is about 381.1749597719.

The spelling of 55382568 in words is "fifty-five million, three hundred eighty-two thousand, five hundred sixty-eight".