51597960 has 64 divisors (see below), whose sum is σ = 160142400. Its totient is φ = 13284096.

The previous prime is 51597937. The next prime is 51598007. The reversal of 51597960 is 6979515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3934 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (2502225).

Almost surely, 2^51597960 is an apocalyptic number.

It is an amenable number.

51597960 is an abundant number, since it is smaller than the sum of its proper divisors (108544440).

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

51597960 is a wasteful number, since it uses less digits than its factorization.

51597960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14870 (or 14866 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 42.

The square root of 51597960 is about 7183.1720012819. The cubic root of 51597960 is about 372.2866907798.

The spelling of 51597960 in words is "fifty-one million, five hundred ninety-seven thousand, nine hundred sixty".