51788712432 has 40 divisors (see below), whose sum is σ = 133859017296. Its totient is φ = 17253677056.

The previous prime is 51788712397. The next prime is 51788712449. The reversal of 51788712432 is 23421788715.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 197313 + ... + 377504.

Almost surely, 2^51788712432 is an apocalyptic number.

It is an amenable number.

51788712432 is an abundant number, since it is smaller than the sum of its proper divisors (82070304864).

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

51788712432 is a wasteful number, since it uses less digits than its factorization.

51788712432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576705 (or 576699 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The spelling of 51788712432 in words is "fifty-one billion, seven hundred eighty-eight million, seven hundred twelve thousand, four hundred thirty-two".