51055051520016 has 60 divisors (see below), whose sum is σ = 142892949113772. Its totient is φ = 17017193426688.

The previous prime is 51055051520009. The next prime is 51055051520051. The reversal of 51055051520016 is 61002515055015.

51055051520016 is a `hidden beast` number, since 5 + 1 + 0 + 550 + 51 + 52 + 0 + 0 + 1 + 6 = 666.

51055051520016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33521737721616 + 17533313798400 = 5789796^2 + 4187280^2 .

It is a super-2 number, since 2×51055051520016² (a number of 28 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9926311 + ... + 14164806.

Almost surely, 2^{51055051520016} is an apocalyptic number.

It is an amenable number.

51055051520016 is an abundant number, since it is smaller than the sum of its proper divisors (91837897593756).

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

51055051520016 is a wasteful number, since it uses less digits than its factorization.

51055051520016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24105848 (or 24105839 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 51055051520016 in words is "fifty-one trillion, fifty-five billion, fifty-one million, five hundred twenty thousand, sixteen".