51570512255 has 32 divisors (see below), whose sum is σ = 65322077184. Its totient is φ = 39007685376.

The previous prime is 51570512251. The next prime is 51570512263. The reversal of 51570512255 is 55221507515.

It is not a de Polignac number, because 51570512255 - 2² = 51570512251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51570512251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6949307 + ... + 6956723.

It is an arithmetic number, because the mean of its divisors is an integer number (2041314912).

Almost surely, 2^51570512255 is an apocalyptic number.

51570512255 is a deficient number, since it is larger than the sum of its proper divisors (13751564929).

51570512255 is a wasteful number, since it uses less digits than its factorization.

51570512255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8135.

The product of its (nonzero) digits is 87500, while the sum is 38.

The spelling of 51570512255 in words is "fifty-one billion, five hundred seventy million, five hundred twelve thousand, two hundred fifty-five".