55026664 has 32 divisors (see below), whose sum is σ = 128635200. Its totient is φ = 21438720.

The previous prime is 55026661. The next prime is 55026689. The reversal of 55026664 is 46662055.

It is not an unprimeable number, because it can be changed into a prime (55026661) 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, 44049 + ... + 45280.

It is an arithmetic number, because the mean of its divisors is an integer number (4019850).

Almost surely, 2^55026664 is an apocalyptic number.

It is an amenable number.

55026664 is an abundant number, since it is smaller than the sum of its proper divisors (73608536).

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

55026664 is a wasteful number, since it uses less digits than its factorization.

55026664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89353 (or 89349 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 55026664 is about 7417.9959557821. The cubic root of 55026664 is about 380.3566918593.

The spelling of 55026664 in words is "fifty-five million, twenty-six thousand, six hundred sixty-four".