51316932 has 24 divisors (see below), whose sum is σ = 122000256. Its totient is φ = 16782688.

The previous prime is 51316927. The next prime is 51316943. The reversal of 51316932 is 23961315.

It is a self number, because there is not a number n which added to its sum of digits gives 51316932.

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, 39708 + ... + 40979.

It is an arithmetic number, because the mean of its divisors is an integer number (5083344).

Almost surely, 2^51316932 is an apocalyptic number.

It is an amenable number.

51316932 is an abundant number, since it is smaller than the sum of its proper divisors (70683324).

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

51316932 is a wasteful number, since it uses less digits than its factorization.

51316932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80747 (or 80745 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 51316932 is about 7163.5837400005. The cubic root of 51316932 is about 371.6095741922.

The spelling of 51316932 in words is "fifty-one million, three hundred sixteen thousand, nine hundred thirty-two".