54516531 has 8 divisors (see below), whose sum is σ = 73920960. Its totient is φ = 35728232.

The previous prime is 54516499. The next prime is 54516541. The reversal of 54516531 is 13561545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54516531 - 2⁵ = 54516499 is a prime.

It is a super-2 number, since 2×54516531² = 5944104304547922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54516541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153825 + ... + 154178.

It is an arithmetic number, because the mean of its divisors is an integer number (9240120).

Almost surely, 2^54516531 is an apocalyptic number.

54516531 is a deficient number, since it is larger than the sum of its proper divisors (19404429).

54516531 is a wasteful number, since it uses less digits than its factorization.

54516531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308065.

The product of its digits is 9000, while the sum is 30.

The square root of 54516531 is about 7383.5310658248. The cubic root of 54516531 is about 379.1776561213.

The spelling of 54516531 in words is "fifty-four million, five hundred sixteen thousand, five hundred thirty-one".