51506712974 has 16 divisors (see below), whose sum is σ = 77382162000. Its totient is φ = 25712685504.

The previous prime is 51506712967. The next prime is 51506713009. The reversal of 51506712974 is 47921760515.

51506712974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5649932 + ... + 5659040.

It is an arithmetic number, because the mean of its divisors is an integer number (4836385125).

Almost surely, 2^51506712974 is an apocalyptic number.

51506712974 is a deficient number, since it is larger than the sum of its proper divisors (25875449026).

51506712974 is a wasteful number, since it uses less digits than its factorization.

51506712974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13267.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 51506712974 in words is "fifty-one billion, five hundred six million, seven hundred twelve thousand, nine hundred seventy-four".