54040487 has 4 divisors (see below), whose sum is σ = 54063936. Its totient is φ = 54017040.

The previous prime is 54040477. The next prime is 54040507. The reversal of 54040487 is 78404045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54040487 - 2⁶ = 54040423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7838 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (13515984).

Almost surely, 2^54040487 is an apocalyptic number.

54040487 is a deficient number, since it is larger than the sum of its proper divisors (23449).

54040487 is a wasteful number, since it uses less digits than its factorization.

54040487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23448.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 54040487 is about 7351.2235036081. The cubic root of 54040487 is about 378.0707551172.

The spelling of 54040487 in words is "fifty-four million, forty thousand, four hundred eighty-seven".