51626412564304 has 20 divisors (see below), whose sum is σ = 100039530988180. Its totient is φ = 25809759406080.

The previous prime is 51626412564281. The next prime is 51626412564367. The reversal of 51626412564304 is 40346521462615.

It can be written as a sum of positive squares in 2 ways, for example, as 41631659107600 + 9994753456704 = 6452260^2 + 3161448^2 .

It is a congruent number.

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, 215306187 + ... + 215545834.

It is an arithmetic number, because the mean of its divisors is an integer number (5001976549409).

Almost surely, 2^{51626412564304} is an apocalyptic number.

It is an amenable number.

51626412564304 is a deficient number, since it is larger than the sum of its proper divisors (48413118423876).

51626412564304 is a wasteful number, since it uses less digits than its factorization.

51626412564304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430859518 (or 430859512 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 51626412564304 in words is "fifty-one trillion, six hundred twenty-six billion, four hundred twelve million, five hundred sixty-four thousand, three hundred four".