51555050615051 has 8 divisors (see below), whose sum is σ = 52653469137984. Its totient is φ = 50456694698560.

The previous prime is 51555050615017. The next prime is 51555050615053. The reversal of 51555050615051 is 15051605055515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51555050615051 - 2³⁰ = 51553976873227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51555050614993 and 51555050615011.

It is not an unprimeable number, because it can be changed into a prime (51555050615053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13985240 + ... + 17282853.

It is an arithmetic number, because the mean of its divisors is an integer number (6581683642248).

Almost surely, 2^{51555050615051} is an apocalyptic number.

51555050615051 is a deficient number, since it is larger than the sum of its proper divisors (1098418522933).

51555050615051 is a wasteful number, since it uses less digits than its factorization.

51555050615051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31303221.

The product of its (nonzero) digits is 468750, while the sum is 44.

The spelling of 51555050615051 in words is "fifty-one trillion, five hundred fifty-five billion, fifty million, six hundred fifteen thousand, fifty-one".