51006010056 has 16 divisors (see below), whose sum is σ = 127515025200. Its totient is φ = 17002003344.

The previous prime is 51006010037. The next prime is 51006010117. The reversal of 51006010056 is 65001060015.

It is a super-2 number, since 2×51006010056² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2125250419 = 51006010056 / (5 + 1 + 0 + 0 + 6 + 0 + 1 + 0 + 0 + 5 + 6).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062625186 + ... + 1062625233.

It is an arithmetic number, because the mean of its divisors is an integer number (7969689075).

Almost surely, 2^51006010056 is an apocalyptic number.

It is an amenable number.

51006010056 is an abundant number, since it is smaller than the sum of its proper divisors (76509015144).

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

51006010056 is a wasteful number, since it uses less digits than its factorization.

51006010056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125250428 (or 2125250424 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 51006010056 in words is "fifty-one billion, six million, ten thousand, fifty-six".