51182664 has 48 divisors (see below), whose sum is σ = 138567600. Its totient is φ = 15747264.

The previous prime is 51182653. The next prime is 51182711. The reversal of 51182664 is 46628115.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2254 + ... + 10365.

It is an arithmetic number, because the mean of its divisors is an integer number (2886825).

Almost surely, 2^51182664 is an apocalyptic number.

It is an amenable number.

51182664 is an abundant number, since it is smaller than the sum of its proper divisors (87384936).

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

51182664 is a wasteful number, since it uses less digits than its factorization.

51182664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12654 (or 12637 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 51182664 is about 7154.2060356129. The cubic root of 51182664 is about 371.2851922788.

The spelling of 51182664 in words is "fifty-one million, one hundred eighty-two thousand, six hundred sixty-four".