51923332772636 has 144 divisors (see below), whose sum is σ = 107362610175744. Its totient is φ = 21826200674304.

The previous prime is 51923332772609. The next prime is 51923332772659. The reversal of 51923332772636 is 63627723332915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57696821 + ... + 58589843.

It is an arithmetic number, because the mean of its divisors is an integer number (745573681776).

Almost surely, 2^{51923332772636} is an apocalyptic number.

It is an amenable number.

51923332772636 is an abundant number, since it is smaller than the sum of its proper divisors (55439277403108).

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

51923332772636 is a wasteful number, since it uses less digits than its factorization.

51923332772636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893200 (or 893181 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 59.

The spelling of 51923332772636 in words is "fifty-one trillion, nine hundred twenty-three billion, three hundred thirty-two million, seven hundred seventy-two thousand, six hundred thirty-six".