51562565313 has 16 divisors (see below), whose sum is σ = 82706872320. Its totient is φ = 27913568976.

The previous prime is 51562565311. The next prime is 51562565357. The reversal of 51562565313 is 31356526515.

It is not a de Polignac number, because 51562565313 - 2¹ = 51562565311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51562565311) 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, 64614345 + ... + 64615142.

It is an arithmetic number, because the mean of its divisors is an integer number (5169179520).

Almost surely, 2^51562565313 is an apocalyptic number.

It is an amenable number.

51562565313 is a deficient number, since it is larger than the sum of its proper divisors (31144307007).

51562565313 is a wasteful number, since it uses less digits than its factorization.

51562565313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129229516.

The product of its digits is 405000, while the sum is 42.

The spelling of 51562565313 in words is "fifty-one billion, five hundred sixty-two million, five hundred sixty-five thousand, three hundred thirteen".