55871854 has 12 divisors (see below), whose sum is σ = 84516264. Its totient is φ = 27700752.

The previous prime is 55871831. The next prime is 55871873. The reversal of 55871854 is 45817855.

55871854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55871854.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 136402 + ... + 136810.

It is an arithmetic number, because the mean of its divisors is an integer number (7043022).

Almost surely, 2^55871854 is an apocalyptic number.

55871854 is a deficient number, since it is larger than the sum of its proper divisors (28644410).

55871854 is an equidigital number, since it uses as much as digits as its factorization.

55871854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 578 counting only the distinct ones).

The product of its digits is 224000, while the sum is 43.

The square root of 55871854 is about 7474.7477549413. The cubic root of 55871854 is about 382.2941869121.

The spelling of 55871854 in words is "fifty-five million, eight hundred seventy-one thousand, eight hundred fifty-four".