51762972 has 24 divisors (see below), whose sum is σ = 126032256. Its totient is φ = 16504048.

The previous prime is 51762961. The next prime is 51762989. The reversal of 51762972 is 27926715.

It is a self number, because there is not a number n which added to its sum of digits gives 51762972.

It is a congruent number.

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, 93498 + ... + 94049.

It is an arithmetic number, because the mean of its divisors is an integer number (5251344).

Almost surely, 2^51762972 is an apocalyptic number.

It is an amenable number.

51762972 is an abundant number, since it is smaller than the sum of its proper divisors (74269284).

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

51762972 is a wasteful number, since it uses less digits than its factorization.

51762972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187577 (or 187575 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 51762972 is about 7194.6488448013. The cubic root of 51762972 is about 372.6831302293.

The spelling of 51762972 in words is "fifty-one million, seven hundred sixty-two thousand, nine hundred seventy-two".