51712056 has 48 divisors (see below), whose sum is σ = 152787960. Its totient is φ = 15670080.

The previous prime is 51712049. The next prime is 51712081. The reversal of 51712056 is 65021715.

It is a congruent number.

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, 31855 + ... + 33438.

Almost surely, 2^51712056 is an apocalyptic number.

It is an amenable number.

51712056 is an abundant number, since it is smaller than the sum of its proper divisors (101075904).

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

51712056 is a wasteful number, since it uses less digits than its factorization.

51712056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65316 (or 65309 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 51712056 is about 7191.1095110560. The cubic root of 51712056 is about 372.5608951089.

It can be divided in two parts, 5171 and 2056, that added together give a palindrome (7227).

The spelling of 51712056 in words is "fifty-one million, seven hundred twelve thousand, fifty-six".