54431524 has 24 divisors (see below), whose sum is σ = 113597568. Its totient is φ = 22313280.

The previous prime is 54431519. The next prime is 54431543. The reversal of 54431524 is 42513445.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 54431492 and 54431501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41617 + ... + 42904.

It is an arithmetic number, because the mean of its divisors is an integer number (4733232).

Almost surely, 2^54431524 is an apocalyptic number.

It is an amenable number.

54431524 is an abundant number, since it is smaller than the sum of its proper divisors (59166044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54431524 is a wasteful number, since it uses less digits than its factorization.

54431524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84555 (or 84553 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 54431524 is about 7377.7722925013. The cubic root of 54431524 is about 378.9804711431.

Adding to 54431524 its reverse (42513445), we get a palindrome (96944969).

The spelling of 54431524 in words is "fifty-four million, four hundred thirty-one thousand, five hundred twenty-four".