51762920 has 32 divisors (see below), whose sum is σ = 127055520. Its totient is φ = 18822720.

The previous prime is 51762917. The next prime is 51762961. The reversal of 51762920 is 2926715.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58382 + ... + 59261.

It is an arithmetic number, because the mean of its divisors is an integer number (3970485).

Almost surely, 2^51762920 is an apocalyptic number.

It is an amenable number.

51762920 is an abundant number, since it is smaller than the sum of its proper divisors (75292600).

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

51762920 is a wasteful number, since it uses less digits than its factorization.

51762920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117665 (or 117661 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 51762920 is about 7194.6452310034. The cubic root of 51762920 is about 372.6830054326.

The spelling of 51762920 in words is "fifty-one million, seven hundred sixty-two thousand, nine hundred twenty".