54040388 has 12 divisors (see below), whose sum is σ = 96121452. Its totient is φ = 26577120.

The previous prime is 54040373. The next prime is 54040397. The reversal of 54040388 is 88304045.

It can be written as a sum of positive squares in 2 ways, for example, as 925444 + 53114944 = 962^2 + 7288^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 110495 + ... + 110982.

It is an arithmetic number, because the mean of its divisors is an integer number (8010121).

Almost surely, 2^54040388 is an apocalyptic number.

It is an amenable number.

54040388 is a deficient number, since it is larger than the sum of its proper divisors (42081064).

54040388 is a wasteful number, since it uses less digits than its factorization.

54040388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221542 (or 221540 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 54040388 is about 7351.2167700320. The cubic root of 54040388 is about 378.0705242470.

The spelling of 54040388 in words is "fifty-four million, forty thousand, three hundred eighty-eight".