55851886 has 16 divisors (see below), whose sum is σ = 86204736. Its totient is φ = 27126016.

The previous prime is 55851871. The next prime is 55851893. The reversal of 55851886 is 68815855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10710 + ... + 15046.

It is an arithmetic number, because the mean of its divisors is an integer number (5387796).

Almost surely, 2^55851886 is an apocalyptic number.

55851886 is a deficient number, since it is larger than the sum of its proper divisors (30352850).

55851886 is a wasteful number, since it uses less digits than its factorization.

55851886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4523.

The product of its digits is 384000, while the sum is 46.

The square root of 55851886 is about 7473.4119383318. The cubic root of 55851886 is about 382.2486388746.

The spelling of 55851886 in words is "fifty-five million, eight hundred fifty-one thousand, eight hundred eighty-six".