51633391544974 has 16 divisors (see below), whose sum is σ = 77946456656016. Its totient is φ = 25651252224000.

The previous prime is 51633391544947. The next prime is 51633391544993. The reversal of 51633391544974 is 47944519333615.

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, 4827169 + ... + 11250259.

It is an arithmetic number, because the mean of its divisors is an integer number (4871653541001).

Almost surely, 2^{51633391544974} is an apocalyptic number.

51633391544974 is a deficient number, since it is larger than the sum of its proper divisors (26313065111042).

51633391544974 is a wasteful number, since it uses less digits than its factorization.

51633391544974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6448851.

The product of its digits is 146966400, while the sum is 64.

The spelling of 51633391544974 in words is "fifty-one trillion, six hundred thirty-three billion, three hundred ninety-one million, five hundred forty-four thousand, nine hundred seventy-four".