55086600 has 48 divisors (see below), whose sum is σ = 170770320. Its totient is φ = 14689600.

The previous prime is 55086593. The next prime is 55086611. The reversal of 55086600 is 668055.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45306 + ... + 46505.

It is an arithmetic number, because the mean of its divisors is an integer number (3557715).

Almost surely, 2^55086600 is an apocalyptic number.

55086600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55086600 is an abundant number, since it is smaller than the sum of its proper divisors (115683720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55086600 is a wasteful number, since it uses less digits than its factorization.

55086600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91830 (or 91821 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 55086600 is about 7422.0347614384. The cubic root of 55086600 is about 380.4947387930.

The spelling of 55086600 in words is "fifty-five million, eighty-six thousand, six hundred".