51725712 has 40 divisors (see below), whose sum is σ = 139437504. Its totient is φ = 16491904.

The previous prime is 51725711. The next prime is 51725749. The reversal of 51725712 is 21752715.

It is a self number, because there is not a number n which added to its sum of digits gives 51725712.

It is not an unprimeable number, because it can be changed into a prime (51725711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22323 + ... + 24530.

Almost surely, 2^51725712 is an apocalyptic number.

It is an amenable number.

51725712 is an abundant number, since it is smaller than the sum of its proper divisors (87711792).

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

51725712 is a wasteful number, since it uses less digits than its factorization.

51725712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46887 (or 46881 counting only the distinct ones).

The product of its digits is 4900, while the sum is 30.

The square root of 51725712 is about 7192.0589541521. The cubic root of 51725712 is about 372.5936872286.

The spelling of 51725712 in words is "fifty-one million, seven hundred twenty-five thousand, seven hundred twelve".