55085208 has 32 divisors (see below), whose sum is σ = 139656960. Its totient is φ = 18102560.

The previous prime is 55085203. The next prime is 55085227. The reversal of 55085208 is 80258055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55085201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14460 + ... + 17867.

It is an arithmetic number, because the mean of its divisors is an integer number (4364280).

Almost surely, 2^55085208 is an apocalyptic number.

It is an amenable number.

55085208 is an abundant number, since it is smaller than the sum of its proper divisors (84571752).

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

55085208 is a wasteful number, since it uses less digits than its factorization.

55085208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32407 (or 32403 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 55085208 is about 7421.9409860225. The cubic root of 55085208 is about 380.4915338204.

It can be divided in two parts, 550 and 85208, that added together give a palindrome (85758).

The spelling of 55085208 in words is "fifty-five million, eighty-five thousand, two hundred eight".