55768185 has 24 divisors (see below), whose sum is σ = 105453504. Its totient is φ = 27038880.

The previous prime is 55768183. The next prime is 55768199. The reversal of 55768185 is 58186755.

It is not a de Polignac number, because 55768185 - 2¹ = 55768183 is a prime.

It is a super-2 number, since 2×55768185² = 6220180916388450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55768185.

It is not an unprimeable number, because it can be changed into a prime (55768183) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55837 + ... + 56826.

It is an arithmetic number, because the mean of its divisors is an integer number (4393896).

Almost surely, 2^55768185 is an apocalyptic number.

55768185 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55768185 is a deficient number, since it is larger than the sum of its proper divisors (49685319).

55768185 is a wasteful number, since it uses less digits than its factorization.

55768185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112685 (or 112682 counting only the distinct ones).

The product of its digits is 336000, while the sum is 45.

The square root of 55768185 is about 7467.8099199163. The cubic root of 55768185 is about 382.0575943605.

The spelling of 55768185 in words is "fifty-five million, seven hundred sixty-eight thousand, one hundred eighty-five".