51516560627 has 16 divisors (see below), whose sum is σ = 59337798912. Its totient is φ = 43812088800.

The previous prime is 51516560617. The next prime is 51516560653. The reversal of 51516560627 is 72606561515.

It is a cyclic number.

It is not a de Polignac number, because 51516560627 - 2¹⁶ = 51516495091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51516560617) 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, 410252 + ... + 520902.

It is an arithmetic number, because the mean of its divisors is an integer number (3708612432).

Almost surely, 2^51516560627 is an apocalyptic number.

51516560627 is a deficient number, since it is larger than the sum of its proper divisors (7821238285).

51516560627 is a wasteful number, since it uses less digits than its factorization.

51516560627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111178.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 51516560627 in words is "fifty-one billion, five hundred sixteen million, five hundred sixty thousand, six hundred twenty-seven".