54005031 has 12 divisors (see below), whose sum is σ = 78724360. Its totient is φ = 35672400.

The previous prime is 54005027. The next prime is 54005051. The reversal of 54005031 is 13050045.

It is not a de Polignac number, because 54005031 - 2² = 54005027 is a prime.

It is a super-2 number, since 2×54005031² = 5833086746621922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54004995 and 54005013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54005051) 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, 26545 + ... + 28506.

Almost surely, 2^54005031 is an apocalyptic number.

54005031 is a deficient number, since it is larger than the sum of its proper divisors (24719329).

54005031 is a wasteful number, since it uses less digits than its factorization.

54005031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55166 (or 55163 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 54005031 is about 7348.8115365683. The cubic root of 54005031 is about 377.9880528684.

Adding to 54005031 its reverse (13050045), we get a palindrome (67055076).

The spelling of 54005031 in words is "fifty-four million, five thousand, thirty-one".