54645231 has 8 divisors (see below), whose sum is σ = 72978304. Its totient is φ = 36371160.

The previous prime is 54645211. The next prime is 54645287. The reversal of 54645231 is 13254645.

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

It is not a de Polignac number, because 54645231 - 2⁷ = 54645103 is a prime.

It is a super-2 number, since 2×54645231² = 5972202542086722, 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 (54645211) 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, 12541 + ... + 16326.

It is an arithmetic number, because the mean of its divisors is an integer number (9122288).

Almost surely, 2^54645231 is an apocalyptic number.

54645231 is a deficient number, since it is larger than the sum of its proper divisors (18333073).

54645231 is a wasteful number, since it uses less digits than its factorization.

54645231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29501.

The product of its digits is 14400, while the sum is 30.

The square root of 54645231 is about 7392.2412704132. The cubic root of 54645231 is about 379.4758030750.

Adding to 54645231 its reverse (13254645), we get a palindrome (67899876).

The spelling of 54645231 in words is "fifty-four million, six hundred forty-five thousand, two hundred thirty-one".