51634433114520 has 64 divisors (see below), whose sum is σ = 155045282595840. Its totient is φ = 13756561430400.

The previous prime is 51634433114503. The next prime is 51634433114573. The reversal of 51634433114520 is 2541133443615.

It is a super-2 number, since 2×51634433114520² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197067496 + ... + 197329335.

It is an arithmetic number, because the mean of its divisors is an integer number (2422582540560).

Almost surely, 2^{51634433114520} is an apocalyptic number.

It is an amenable number.

51634433114520 is an abundant number, since it is smaller than the sum of its proper divisors (103410849481320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51634433114520 is a wasteful number, since it uses less digits than its factorization.

51634433114520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394397936 (or 394397932 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 51634433114520 in words is "fifty-one trillion, six hundred thirty-four billion, four hundred thirty-three million, one hundred fourteen thousand, five hundred twenty".