54587865 has 16 divisors (see below), whose sum is σ = 87513408. Its totient is φ = 29055936.

The previous prime is 54587849. The next prime is 54587879. The reversal of 54587865 is 56878545.

54587865 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 54587865 - 2⁴ = 54587849 is a prime.

It is an unprimeable number.

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, 4879 + ... + 11531.

It is an arithmetic number, because the mean of its divisors is an integer number (5469588).

Almost surely, 2^54587865 is an apocalyptic number.

It is an amenable number.

54587865 is a deficient number, since it is larger than the sum of its proper divisors (32925543).

54587865 is a wasteful number, since it uses less digits than its factorization.

54587865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7208.

The product of its digits is 1344000, while the sum is 48.

The square root of 54587865 is about 7388.3601022148. The cubic root of 54587865 is about 379.3429666524.

It can be divided in two parts, 545 and 87865, that added together give a triangular number (88410 = T₄₂₀).

The spelling of 54587865 in words is "fifty-four million, five hundred eighty-seven thousand, eight hundred sixty-five".