54240724 has 12 divisors (see below), whose sum is σ = 94972864. Its totient is φ = 27105624.

The previous prime is 54240713. The next prime is 54240733. The reversal of 54240724 is 42704245.

It is a happy number.

It is a super-2 number, since 2×54240724² = 5884112280088352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54240692 and 54240701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12277 + ... + 16099.

Almost surely, 2^54240724 is an apocalyptic number.

It is an amenable number.

54240724 is a deficient number, since it is larger than the sum of its proper divisors (40732140).

54240724 is a wasteful number, since it uses less digits than its factorization.

54240724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7374 (or 7372 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 54240724 is about 7364.8302084977. The cubic root of 54240724 is about 378.5371365775.

Adding to 54240724 its reverse (42704245), we get a palindrome (96944969).

The spelling of 54240724 in words is "fifty-four million, two hundred forty thousand, seven hundred twenty-four".