54507231 has 12 divisors (see below), whose sum is σ = 79309152. Its totient is φ = 36072096.

The previous prime is 54507157. The next prime is 54507239. The reversal of 54507231 is 13270545.

It is a happy number.

It is not a de Polignac number, because 54507231 - 2⁹ = 54506719 is a prime.

It is a super-2 number, since 2×54507231² = 5942076462574722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54507195 and 54507204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54507239) 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, 20871 + ... + 23336.

It is an arithmetic number, because the mean of its divisors is an integer number (6609096).

Almost surely, 2^54507231 is an apocalyptic number.

54507231 is a deficient number, since it is larger than the sum of its proper divisors (24801921).

54507231 is a wasteful number, since it uses less digits than its factorization.

54507231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44350 (or 44347 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 54507231 is about 7382.9012589903. The cubic root of 54507231 is about 379.1560935317.

Adding to 54507231 its reverse (13270545), we get a palindrome (67777776).

The spelling of 54507231 in words is "fifty-four million, five hundred seven thousand, two hundred thirty-one".