55716164 has 12 divisors (see below), whose sum is σ = 111432384. Its totient is φ = 23878344.

The previous prime is 55716161. The next prime is 55716173. The reversal of 55716164 is 46161755.

55716164 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55716161) 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, 994904 + ... + 994959.

It is an arithmetic number, because the mean of its divisors is an integer number (9286032).

Almost surely, 2^55716164 is an apocalyptic number.

It is an amenable number.

55716164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55716164 is a wasteful number, since it uses less digits than its factorization.

55716164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989874 (or 1989872 counting only the distinct ones).

The product of its digits is 25200, while the sum is 35.

The square root of 55716164 is about 7464.3260914834. The cubic root of 55716164 is about 381.9387619643.

The spelling of 55716164 in words is "fifty-five million, seven hundred sixteen thousand, one hundred sixty-four".