52456468691 has 16 divisors (see below), whose sum is σ = 57365687808. Its totient is φ = 47570786400.

The previous prime is 52456468679. The next prime is 52456468703. The reversal of 52456468691 is 19686465425.

It is an interprime number because it is at equal distance from previous prime (52456468679) and next prime (52456468703).

It is a cyclic number.

It is not a de Polignac number, because 52456468691 - 2³⁰ = 51382726867 is a prime.

It is a super-2 number, since 2×52456468691² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52456468601) 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 15 ways as a sum of consecutive naturals, for example, 15367901 + ... + 15371313.

It is an arithmetic number, because the mean of its divisors is an integer number (3585355488).

Almost surely, 2^52456468691 is an apocalyptic number.

52456468691 is a deficient number, since it is larger than the sum of its proper divisors (4909219117).

52456468691 is a wasteful number, since it uses less digits than its factorization.

52456468691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6442.

The product of its digits is 12441600, while the sum is 56.

The spelling of 52456468691 in words is "fifty-two billion, four hundred fifty-six million, four hundred sixty-eight thousand, six hundred ninety-one".