54040539 has 8 divisors (see below), whose sum is σ = 82347520. Its totient is φ = 30880296.

The previous prime is 54040537. The next prime is 54040561. The reversal of 54040539 is 93504045.

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

It is not a de Polignac number, because 54040539 - 2¹ = 54040537 is a prime.

It is a super-3 number, since 3×54040539³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54040537) 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, 1286659 + ... + 1286700.

It is an arithmetic number, because the mean of its divisors is an integer number (10293440).

Almost surely, 2^54040539 is an apocalyptic number.

54040539 is a deficient number, since it is larger than the sum of its proper divisors (28306981).

54040539 is a wasteful number, since it uses less digits than its factorization.

54040539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573369.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 54040539 is about 7351.2270404335. The cubic root of 54040539 is about 378.0708763823.

The spelling of 54040539 in words is "fifty-four million, forty thousand, five hundred thirty-nine".