54557231 has 4 divisors (see below), whose sum is σ = 54862200. Its totient is φ = 54252264.

The previous prime is 54557221. The next prime is 54557249. The reversal of 54557231 is 13275545.

54557231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54557231 - 2¹⁴ = 54540847 is a prime.

It is a super-2 number, since 2×54557231² = 5952982908774722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54557221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152216 + ... + 152573.

It is an arithmetic number, because the mean of its divisors is an integer number (13715550).

Almost surely, 2^54557231 is an apocalyptic number.

54557231 is a deficient number, since it is larger than the sum of its proper divisors (304969).

54557231 is a wasteful number, since it uses less digits than its factorization.

54557231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304968.

The product of its digits is 21000, while the sum is 32.

The square root of 54557231 is about 7386.2866854733. The cubic root of 54557231 is about 379.2719925942.

The spelling of 54557231 in words is "fifty-four million, five hundred fifty-seven thousand, two hundred thirty-one".