54431 has 8 divisors (see below), whose sum is σ = 60480. Its totient is φ = 48672.

The previous prime is 54421. The next prime is 54437. The reversal of 54431 is 13445.

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

It is not a de Polignac number, because 54431 - 2⁶ = 54367 is a prime.

It is a super-2 number, since 2×54431² = 5925467522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54437) 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, 650 + ... + 728.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁵⁴⁴³¹ is an apocalyptic number.

54431 is a deficient number, since it is larger than the sum of its proper divisors (6049).

54431 is a wasteful number, since it uses less digits than its factorization.

54431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its digits is 240, while the sum is 17.

The square root of 54431 is about 233.3045220308. The cubic root of 54431 is about 37.8979255019.

Adding to 54431 its reverse (13445), we get a palindrome (67876).

It can be divided in two parts, 544 and 31, that added together give a palindrome (575).

The spelling of 54431 in words is "fifty-four thousand, four hundred thirty-one".