52705217831 has 16 divisors (see below), whose sum is σ = 60700550400. Its totient is φ = 44826740928.

The previous prime is 52705217809. The next prime is 52705217849. The reversal of 52705217831 is 13871250725.

It is a cyclic number.

It is not a de Polignac number, because 52705217831 - 2⁶ = 52705217767 is a prime.

It is a super-2 number, since 2×52705217831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52705217801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925600 + ... + 1952778.

It is an arithmetic number, because the mean of its divisors is an integer number (3793784400).

Almost surely, 2^52705217831 is an apocalyptic number.

52705217831 is a deficient number, since it is larger than the sum of its proper divisors (7995332569).

52705217831 is a wasteful number, since it uses less digits than its factorization.

52705217831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29318.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 52705217831 in words is "fifty-two billion, seven hundred five million, two hundred seventeen thousand, eight hundred thirty-one".