54137631 has 16 divisors (see below), whose sum is σ = 76170240. Its totient is φ = 34107840.

The previous prime is 54137627. The next prime is 54137641. The reversal of 54137631 is 13673145.

It is not a de Polignac number, because 54137631 - 2² = 54137627 is a prime.

It is a super-2 number, since 2×54137631² = 5861766180584322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54137621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28786 + ... + 30608.

It is an arithmetic number, because the mean of its divisors is an integer number (4760640).

Almost surely, 2^54137631 is an apocalyptic number.

54137631 is a deficient number, since it is larger than the sum of its proper divisors (22032609).

54137631 is a wasteful number, since it uses less digits than its factorization.

54137631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366.

The product of its digits is 7560, while the sum is 30.

The square root of 54137631 is about 7357.8278724091. The cubic root of 54137631 is about 378.2971614176.

The spelling of 54137631 in words is "fifty-four million, one hundred thirty-seven thousand, six hundred thirty-one".