54240538 has 16 divisors (see below), whose sum is σ = 90647424. Its totient is φ = 24129760.

The previous prime is 54240503. The next prime is 54240551. The reversal of 54240538 is 83504245.

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, 25195 + ... + 27262.

It is an arithmetic number, because the mean of its divisors is an integer number (5665464).

Almost surely, 2^54240538 is an apocalyptic number.

54240538 is a deficient number, since it is larger than the sum of its proper divisors (36406886).

54240538 is a wasteful number, since it uses less digits than its factorization.

54240538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52517.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 54240538 is about 7364.8175809045. The cubic root of 54240538 is about 378.5367038892.

The spelling of 54240538 in words is "fifty-four million, two hundred forty thousand, five hundred thirty-eight".