54240231 has 8 divisors (see below), whose sum is σ = 76126720. Its totient is φ = 34256952.

The previous prime is 54240223. The next prime is 54240271. The reversal of 54240231 is 13204245.

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

It is not a de Polignac number, because 54240231 - 2³ = 54240223 is a prime.

It is a super-2 number, since 2×54240231² = 5884005317866722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54240198 and 54240207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54240211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475735 + ... + 475848.

It is an arithmetic number, because the mean of its divisors is an integer number (9515840).

Almost surely, 2^54240231 is an apocalyptic number.

54240231 is a deficient number, since it is larger than the sum of its proper divisors (21886489).

54240231 is a wasteful number, since it uses less digits than its factorization.

54240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951605.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54240231 is about 7364.7967385394. The cubic root of 54240231 is about 378.5359897186.

Adding to 54240231 its reverse (13204245), we get a palindrome (67444476).

The spelling of 54240231 in words is "fifty-four million, two hundred forty thousand, two hundred thirty-one".