56550164 has 12 divisors (see below), whose sum is σ = 107959488. Its totient is φ = 25704600.

The previous prime is 56550163. The next prime is 56550191. The reversal of 56550164 is 46105565.

It is a self number, because there is not a number n which added to its sum of digits gives 56550164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56550163) 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, 642572 + ... + 642659.

It is an arithmetic number, because the mean of its divisors is an integer number (8996624).

Almost surely, 2^56550164 is an apocalyptic number.

It is an amenable number.

56550164 is a deficient number, since it is larger than the sum of its proper divisors (51409324).

56550164 is a wasteful number, since it uses less digits than its factorization.

56550164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285246 (or 1285244 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 56550164 is about 7519.9843084943. The cubic root of 56550164 is about 383.8350438050.

It can be divided in two parts, 565501 and 64, that added together give a palindrome (565565).

The spelling of 56550164 in words is "fifty-six million, five hundred fifty thousand, one hundred sixty-four".