5564545731 has 12 divisors (see below), whose sum is σ = 8038324008. Its totient is φ = 3709398624.

The previous prime is 5564545697. The next prime is 5564545739. The reversal of 5564545731 is 1375454655.

5564545731 is a `hidden beast` number, since 5 + 564 + 5 + 4 + 57 + 31 = 666.

It is not a de Polignac number, because 5564545731 - 2¹⁵ = 5564512963 is a prime.

It is a super-2 number, since 2×5564545731² = 61928338384780648722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5564545739) 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 11 ways as a sum of consecutive naturals, for example, 203911 + ... + 229583.

It is an arithmetic number, because the mean of its divisors is an integer number (669860334).

Almost surely, 2^5564545731 is an apocalyptic number.

5564545731 is a deficient number, since it is larger than the sum of its proper divisors (2473778277).

5564545731 is a wasteful number, since it uses less digits than its factorization.

5564545731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49762 (or 49759 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 5564545731 is about 74595.8828019349. The cubic root of 5564545731 is about 1772.0524491394.

The spelling of 5564545731 in words is "five billion, five hundred sixty-four million, five hundred forty-five thousand, seven hundred thirty-one".