51535460558807 has 16 divisors (see below), whose sum is σ = 53854725812160. Its totient is φ = 49222751846400.

The previous prime is 51535460558779. The next prime is 51535460558833. The reversal of 51535460558807 is 70885506453515.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51535460558807 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51535460558807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51535460558507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372725207 + ... + 372863447.

It is an arithmetic number, because the mean of its divisors is an integer number (3365920363260).

Almost surely, 2^{51535460558807} is an apocalyptic number.

51535460558807 is a deficient number, since it is larger than the sum of its proper divisors (2319265253353).

51535460558807 is a wasteful number, since it uses less digits than its factorization.

51535460558807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161834.

The product of its (nonzero) digits is 100800000, while the sum is 62.

The spelling of 51535460558807 in words is "fifty-one trillion, five hundred thirty-five billion, four hundred sixty million, five hundred fifty-eight thousand, eight hundred seven".