51502556879007 has 8 divisors (see below), whose sum is σ = 73952389364784. Its totient is φ = 31693881156288.

The previous prime is 51502556878979. The next prime is 51502556879063. The reversal of 51502556879007 is 70097865520515.

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

It is not a de Polignac number, because 51502556879007 - 2¹⁰ = 51502556877983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51502556879407) 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, 660289190718 + ... + 660289190795.

It is an arithmetic number, because the mean of its divisors is an integer number (9244048670598).

Almost surely, 2^{51502556879007} is an apocalyptic number.

51502556879007 is a deficient number, since it is larger than the sum of its proper divisors (22449832485777).

51502556879007 is a wasteful number, since it uses less digits than its factorization.

51502556879007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320578381529.

The product of its (nonzero) digits is 26460000, while the sum is 60.

The spelling of 51502556879007 in words is "fifty-one trillion, five hundred two billion, five hundred fifty-six million, eight hundred seventy-nine thousand, seven".