51056055522 has 24 divisors (see below), whose sum is σ = 110633572764. Its totient is φ = 17016820704.

The previous prime is 51056055509. The next prime is 51056055539. The reversal of 51056055522 is 22555065015.

51056055522 is a `hidden beast` number, since 51 + 0 + 56 + 0 + 5 + 552 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34510121361 + 16545934161 = 185769^2 + 128631^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18768 + ... + 320100.

Almost surely, 2^51056055522 is an apocalyptic number.

51056055522 is an abundant number, since it is smaller than the sum of its proper divisors (59577517242).

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

51056055522 is a wasteful number, since it uses less digits than its factorization.

51056055522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310754 (or 310751 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 51056055522 in words is "fifty-one billion, fifty-six million, fifty-five thousand, five hundred twenty-two".