51050001056 has 24 divisors (see below), whose sum is σ = 103970370420. Its totient is φ = 24644827648.

The previous prime is 51050001019. The next prime is 51050001089. The reversal of 51050001056 is 65010005015.

It can be written as a sum of positive squares in 2 ways, for example, as 51023581456 + 26419600 = 225884^2 + 5140^2 .

It is a super-2 number, since 2×51050001056² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27504461 + ... + 27506316.

Almost surely, 2^51050001056 is an apocalyptic number.

It is an amenable number.

51050001056 is an abundant number, since it is smaller than the sum of its proper divisors (52920369364).

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

51050001056 is a wasteful number, since it uses less digits than its factorization.

51050001056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010816 (or 55010808 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The spelling of 51050001056 in words is "fifty-one billion, fifty million, one thousand, fifty-six".