51934458624 has 36 divisors (see below), whose sum is σ = 138221399736. Its totient is φ = 17311485952.

The previous prime is 51934458623. The next prime is 51934458647. The reversal of 51934458624 is 42685443915.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51934458623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33810729 + ... + 33812264.

It is an arithmetic number, because the mean of its divisors is an integer number (3839483326).

Almost surely, 2^51934458624 is an apocalyptic number.

It is an amenable number.

51934458624 is an abundant number, since it is smaller than the sum of its proper divisors (86286941112).

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

51934458624 is an equidigital number, since it uses as much as digits as its factorization.

51934458624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67623012 (or 67622998 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 51934458624 in words is "fifty-one billion, nine hundred thirty-four million, four hundred fifty-eight thousand, six hundred twenty-four".