52709574687 has 32 divisors (see below), whose sum is σ = 87751564800. Its totient is φ = 27340830720.

The previous prime is 52709574683. The next prime is 52709574713. The reversal of 52709574687 is 78647590725.

It is not a de Polignac number, because 52709574687 - 2² = 52709574683 is a prime.

It is a super-2 number, since 2×52709574687² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52709574687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52709574683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14062 + ... + 324987.

It is an arithmetic number, because the mean of its divisors is an integer number (2742236400).

Almost surely, 2^52709574687 is an apocalyptic number.

52709574687 is a deficient number, since it is larger than the sum of its proper divisors (35041990113).

52709574687 is a wasteful number, since it uses less digits than its factorization.

52709574687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339743.

The product of its (nonzero) digits is 29635200, while the sum is 60.

The spelling of 52709574687 in words is "fifty-two billion, seven hundred nine million, five hundred seventy-four thousand, six hundred eighty-seven".