51768292732 has 24 divisors (see below), whose sum is σ = 97571997936. Its totient is φ = 23890933248.

The previous prime is 51768292729. The next prime is 51768292777. The reversal of 51768292732 is 23729286715.

It is a happy number.

51768292732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51768292732² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 51768292732.

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, 649623 + ... + 724945.

It is an arithmetic number, because the mean of its divisors is an integer number (4065499914).

Almost surely, 2^51768292732 is an apocalyptic number.

51768292732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51768292732 is a deficient number, since it is larger than the sum of its proper divisors (45803705204).

51768292732 is a wasteful number, since it uses less digits than its factorization.

51768292732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88557 (or 88555 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 52.

The spelling of 51768292732 in words is "fifty-one billion, seven hundred sixty-eight million, two hundred ninety-two thousand, seven hundred thirty-two".