52806382631 has 4 divisors (see below), whose sum is σ = 52823877000. Its totient is φ = 52788888264.

The previous prime is 52806382621. The next prime is 52806382637. The reversal of 52806382631 is 13628360825.

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-52806382631 is a prime.

It is a super-2 number, since 2×52806382631² (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 (52806382637) 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, 8742656 + ... + 8748693.

It is an arithmetic number, because the mean of its divisors is an integer number (13205969250).

Almost surely, 2^52806382631 is an apocalyptic number.

52806382631 is a deficient number, since it is larger than the sum of its proper divisors (17494369).

52806382631 is a wasteful number, since it uses less digits than its factorization.

52806382631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494368.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 52806382631 in words is "fifty-two billion, eight hundred six million, three hundred eighty-two thousand, six hundred thirty-one".