5631505564 has 12 divisors (see below), whose sum is σ = 10283619024. Its totient is φ = 2693328704.

The previous prime is 5631505553. The next prime is 5631505567. The reversal of 5631505564 is 4655051365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631505567) 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 3 ways as a sum of consecutive naturals, for example, 30605917 + ... + 30606100.

It is an arithmetic number, because the mean of its divisors is an integer number (856968252).

Almost surely, 2^5631505564 is an apocalyptic number.

It is an amenable number.

5631505564 is a deficient number, since it is larger than the sum of its proper divisors (4652113460).

5631505564 is a wasteful number, since it uses less digits than its factorization.

5631505564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61212044 (or 61212042 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The square root of 5631505564 is about 75043.3578939535. The cubic root of 5631505564 is about 1779.1320057888.

The spelling of 5631505564 in words is "five billion, six hundred thirty-one million, five hundred five thousand, five hundred sixty-four".