51596170521 has 16 divisors (see below), whose sum is σ = 79911635328. Its totient is φ = 29000188800.

The previous prime is 51596170519. The next prime is 51596170529. The reversal of 51596170521 is 12507169515.

It is not a de Polignac number, because 51596170521 - 2¹ = 51596170519 is a prime.

It is a super-2 number, since 2×51596170521² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51596170529) 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, 20137740 + ... + 20140301.

It is an arithmetic number, because the mean of its divisors is an integer number (4994477208).

Almost surely, 2^51596170521 is an apocalyptic number.

It is an amenable number.

51596170521 is a deficient number, since it is larger than the sum of its proper divisors (28315464807).

51596170521 is a wasteful number, since it uses less digits than its factorization.

51596170521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40278112.

The product of its (nonzero) digits is 94500, while the sum is 42.

The spelling of 51596170521 in words is "fifty-one billion, five hundred ninety-six million, one hundred seventy thousand, five hundred twenty-one".