55868086 has 8 divisors (see below), whose sum is σ = 88731720. Its totient is φ = 26290848.

The previous prime is 55868083. The next prime is 55868147. The reversal of 55868086 is 68086855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55868083) 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, 821556 + ... + 821623.

It is an arithmetic number, because the mean of its divisors is an integer number (11091465).

Almost surely, 2^55868086 is an apocalyptic number.

55868086 is a deficient number, since it is larger than the sum of its proper divisors (32863634).

55868086 is a wasteful number, since it uses less digits than its factorization.

55868086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643198.

The product of its (nonzero) digits is 460800, while the sum is 46.

The square root of 55868086 is about 7474.4957020524. The cubic root of 55868086 is about 382.2855927407.

It can be divided in two parts, 558 and 68086, that added together give a square (68644 = 262²).

The spelling of 55868086 in words is "fifty-five million, eight hundred sixty-eight thousand, eighty-six".