5631537144 has 32 divisors (see below), whose sum is σ = 14564322000. Its totient is φ = 1812448512.

The previous prime is 5631537137. The next prime is 5631537161. The reversal of 5631537144 is 4417351365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4044949 + ... + 4046340.

Almost surely, 2^5631537144 is an apocalyptic number.

It is an amenable number.

5631537144 is an abundant number, since it is smaller than the sum of its proper divisors (8932784856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5631537144 is a wasteful number, since it uses less digits than its factorization.

5631537144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8091327 (or 8091323 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 5631537144 is about 75043.5683053518. The cubic root of 5631537144 is about 1779.1353314171.

The spelling of 5631537144 in words is "five billion, six hundred thirty-one million, five hundred thirty-seven thousand, one hundred forty-four".