51056050536 has 24 divisors (see below), whose sum is σ = 138276803730. Its totient is φ = 17018683488.

The previous prime is 51056050531. The next prime is 51056050541. The reversal of 51056050536 is 63505065015.

51056050536 is a `hidden beast` number, since 5 + 10 + 5 + 60 + 50 + 536 = 666.

It is an interprime number because it is at equal distance from previous prime (51056050531) and next prime (51056050541).

It can be written as a sum of positive squares in only one way, i.e., 50773608900 + 282441636 = 225330^2 + 16806^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51056050536.

It is not an unprimeable number, because it can be changed into a prime (51056050531) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 354555835 + ... + 354555978.

Almost surely, 2^51056050536 is an apocalyptic number.

It is an amenable number.

51056050536 is an abundant number, since it is smaller than the sum of its proper divisors (87220753194).

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

51056050536 is a wasteful number, since it uses less digits than its factorization.

51056050536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709111825 (or 709111818 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 51056050536 in words is "fifty-one billion, fifty-six million, fifty thousand, five hundred thirty-six".