54486531 has 12 divisors (see below), whose sum is σ = 85857720. Its totient is φ = 33022080.

The previous prime is 54486529. The next prime is 54486541. The reversal of 54486531 is 13568445.

It is a happy number.

54486531 is a `hidden beast` number, since 5 + 44 + 86 + 531 = 666.

It is not a de Polignac number, because 54486531 - 2¹ = 54486529 is a prime.

It is a super-2 number, since 2×54486531² = 5937564120827922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (54486511) 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, 275086 + ... + 275283.

It is an arithmetic number, because the mean of its divisors is an integer number (7154810).

Almost surely, 2^54486531 is an apocalyptic number.

54486531 is a deficient number, since it is larger than the sum of its proper divisors (31371189).

54486531 is a wasteful number, since it uses less digits than its factorization.

54486531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550386 (or 550383 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 54486531 is about 7381.4992379597. The cubic root of 54486531 is about 379.1080905742.

The spelling of 54486531 in words is "fifty-four million, four hundred eighty-six thousand, five hundred thirty-one".