51700512256 has 40 divisors (see below), whose sum is σ = 104607724320. Its totient is φ = 25523017728.

The previous prime is 51700512233. The next prime is 51700512277. The reversal of 51700512256 is 65221500715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598651 + ... + 679546.

It is an arithmetic number, because the mean of its divisors is an integer number (2615193108).

Almost surely, 2^51700512256 is an apocalyptic number.

It is an amenable number.

51700512256 is an abundant number, since it is smaller than the sum of its proper divisors (52907212064).

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

51700512256 is an equidigital number, since it uses as much as digits as its factorization.

51700512256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278294 (or 1278278 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 51700512256 in words is "fifty-one billion, seven hundred million, five hundred twelve thousand, two hundred fifty-six".