55655188 has 12 divisors (see below), whose sum is σ = 97452180. Its totient is φ = 27811712.

The previous prime is 55655177. The next prime is 55655189. The reversal of 55655188 is 88155655.

It can be written as a sum of positive squares in 2 ways, for example, as 45995524 + 9659664 = 6782^2 + 3108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55655189) 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, 7770 + ... + 13102.

It is an arithmetic number, because the mean of its divisors is an integer number (8121015).

Almost surely, 2^55655188 is an apocalyptic number.

It is an amenable number.

55655188 is a deficient number, since it is larger than the sum of its proper divisors (41796992).

55655188 is a wasteful number, since it uses less digits than its factorization.

55655188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7946 (or 7944 counting only the distinct ones).

The product of its digits is 240000, while the sum is 43.

The square root of 55655188 is about 7460.2404786977. The cubic root of 55655188 is about 381.7993793187.

The spelling of 55655188 in words is "fifty-five million, six hundred fifty-five thousand, one hundred eighty-eight".