51357952 has 36 divisors (see below), whose sum is σ = 108554796. Its totient is φ = 24166400.

The previous prime is 51357949. The next prime is 51357983. The reversal of 51357952 is 25975315.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33918976 + 17438976 = 5824^2 + 4176^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1549 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (3015411).

Almost surely, 2^51357952 is an apocalyptic number.

It is an amenable number.

51357952 is an abundant number, since it is smaller than the sum of its proper divisors (57196844).

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

51357952 is a wasteful number, since it uses less digits than its factorization.

51357952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11834 (or 11820 counting only the distinct ones).

The product of its digits is 47250, while the sum is 37.

The square root of 51357952 is about 7166.4462601767. The cubic root of 51357952 is about 371.7085627349.

The spelling of 51357952 in words is "fifty-one million, three hundred fifty-seven thousand, nine hundred fifty-two".