51479087925 has 48 divisors (see below), whose sum is σ = 86197483008. Its totient is φ = 27105854400.

The previous prime is 51479087917. The next prime is 51479087929. The reversal of 51479087925 is 52978097415.

It is not a de Polignac number, because 51479087925 - 2³ = 51479087917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51479087929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17372494 + ... + 17375456.

It is an arithmetic number, because the mean of its divisors is an integer number (1795780896).

Almost surely, 2^51479087925 is an apocalyptic number.

It is an amenable number.

51479087925 is a deficient number, since it is larger than the sum of its proper divisors (34718395083).

51479087925 is a wasteful number, since it uses less digits than its factorization.

51479087925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850 (or 5845 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 57.

The spelling of 51479087925 in words is "fifty-one billion, four hundred seventy-nine million, eighty-seven thousand, nine hundred twenty-five".