51797591163 has 12 divisors (see below), whose sum is σ = 78071731920. Its totient is φ = 33030347856.

The previous prime is 51797591141. The next prime is 51797591201. The reversal of 51797591163 is 36119579715.

51797591163 is a `hidden beast` number, since 517 + 9 + 7 + 5 + 9 + 116 + 3 = 666.

It is not a de Polignac number, because 51797591163 - 2¹⁶ = 51797525627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51797591863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125114748 + ... + 125115161.

It is an arithmetic number, because the mean of its divisors is an integer number (6505977660).

Almost surely, 2^51797591163 is an apocalyptic number.

51797591163 is a deficient number, since it is larger than the sum of its proper divisors (26274140757).

51797591163 is a wasteful number, since it uses less digits than its factorization.

51797591163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250229938 (or 250229935 counting only the distinct ones).

The product of its digits is 1786050, while the sum is 54.

The spelling of 51797591163 in words is "fifty-one billion, seven hundred ninety-seven million, five hundred ninety-one thousand, one hundred sixty-three".