5631505537 has 8 divisors (see below), whose sum is σ = 6436940672. Its totient is φ = 4826304000.

The previous prime is 5631505499. The next prime is 5631505547. The reversal of 5631505537 is 7355051365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5631505537 - 2⁷ = 5631505409 is a prime.

It is a super-2 number, since 2×5631505537² = 63427709226523316738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5631505537.

It is not an unprimeable number, because it can be changed into a prime (5631505547) 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 7 ways as a sum of consecutive naturals, for example, 3264 + ... + 106177.

It is an arithmetic number, because the mean of its divisors is an integer number (804617584).

Almost surely, 2^5631505537 is an apocalyptic number.

It is an amenable number.

5631505537 is a deficient number, since it is larger than the sum of its proper divisors (805435135).

5631505537 is a wasteful number, since it uses less digits than its factorization.

5631505537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116799.

The product of its (nonzero) digits is 236250, while the sum is 40.

The square root of 5631505537 is about 75043.3577140575. The cubic root of 5631505537 is about 1779.1320029455.

The spelling of 5631505537 in words is "five billion, six hundred thirty-one million, five hundred five thousand, five hundred thirty-seven".