51708888890232 has 128 divisors (see below), whose sum is σ = 147955982400000. Its totient is φ = 14752348655616.

The previous prime is 51708888890231. The next prime is 51708888890251. The reversal of 51708888890232 is 23209888880715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51708888890231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 497680144 + ... + 497784032.

It is an arithmetic number, because the mean of its divisors is an integer number (1155906112500).

Almost surely, 2^{51708888890232} is an apocalyptic number.

It is an amenable number.

51708888890232 is an abundant number, since it is smaller than the sum of its proper divisors (96247093509768).

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

51708888890232 is a wasteful number, since it uses less digits than its factorization.

51708888890232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108213 (or 108209 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 69.

The spelling of 51708888890232 in words is "fifty-one trillion, seven hundred eight billion, eight hundred eighty-eight million, eight hundred ninety thousand, two hundred thirty-two".