54887613 has 16 divisors (see below), whose sum is σ = 81996096. Its totient is φ = 32365440.

The previous prime is 54887597. The next prime is 54887627. The reversal of 54887613 is 31678845.

54887613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54887613 - 2⁴ = 54887597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54887113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21256 + ... + 23697.

It is an arithmetic number, because the mean of its divisors is an integer number (5124756).

Almost surely, 2^54887613 is an apocalyptic number.

It is an amenable number.

54887613 is a deficient number, since it is larger than the sum of its proper divisors (27108483).

54887613 is a wasteful number, since it uses less digits than its factorization.

54887613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45004.

The product of its digits is 161280, while the sum is 42.

The square root of 54887613 is about 7408.6174823647. The cubic root of 54887613 is about 380.0360376718.

The spelling of 54887613 in words is "fifty-four million, eight hundred eighty-seven thousand, six hundred thirteen".