51607280625 has 20 divisors (see below), whose sum is σ = 85984613616. Its totient is φ = 27523882000.

The previous prime is 51607280587. The next prime is 51607280633. The reversal of 51607280625 is 52608270615.

It is not a de Polignac number, because 51607280625 - 2⁹ = 51607280113 is a prime.

It is a super-2 number, since 2×51607280625² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13760067 + ... + 13763816.

Almost surely, 2^51607280625 is an apocalyptic number.

It is an amenable number.

51607280625 is a deficient number, since it is larger than the sum of its proper divisors (34377332991).

51607280625 is an equidigital number, since it uses as much as digits as its factorization.

51607280625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27523906 (or 27523891 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 51607280625 in words is "fifty-one billion, six hundred seven million, two hundred eighty thousand, six hundred twenty-five".