52563706631 has 4 divisors (see below), whose sum is σ = 55655689392. Its totient is φ = 49471723872.

The previous prime is 52563706589. The next prime is 52563706717. The reversal of 52563706631 is 13660736525.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52563706631 is a prime.

It is a super-2 number, since 2×52563706631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52563706331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1545991355 + ... + 1545991388.

It is an arithmetic number, because the mean of its divisors is an integer number (13913922348).

Almost surely, 2^52563706631 is an apocalyptic number.

52563706631 is a deficient number, since it is larger than the sum of its proper divisors (3091982761).

52563706631 is a wasteful number, since it uses less digits than its factorization.

52563706631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091982760.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 52563706631 in words is "fifty-two billion, five hundred sixty-three million, seven hundred six thousand, six hundred thirty-one".