54008631 has 12 divisors (see below), whose sum is σ = 78248352. Its totient is φ = 35896896.

The previous prime is 54008627. The next prime is 54008651. The reversal of 54008631 is 13680045.

It is not a de Polignac number, because 54008631 - 2² = 54008627 is a prime.

It is a super-2 number, since 2×54008631² = 5833864444988322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54008595 and 54008604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54008611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5871 + ... + 11936.

It is an arithmetic number, because the mean of its divisors is an integer number (6520696).

Almost surely, 2^54008631 is an apocalyptic number.

54008631 is a deficient number, since it is larger than the sum of its proper divisors (24239721).

54008631 is a wasteful number, since it uses less digits than its factorization.

54008631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18150 (or 18147 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 54008631 is about 7349.0564700511. The cubic root of 54008631 is about 377.9964516338.

Adding to 54008631 its reverse (13680045), we get a palindrome (67688676).

The spelling of 54008631 in words is "fifty-four million, eight thousand, six hundred thirty-one".