55185308 has 6 divisors (see below), whose sum is σ = 96574296. Its totient is φ = 27592652.

The previous prime is 55185307. The next prime is 55185311. The reversal of 55185308 is 80358155.

55185308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55185307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6898160 + ... + 6898167.

It is an arithmetic number, because the mean of its divisors is an integer number (16095716).

Almost surely, 2^55185308 is an apocalyptic number.

It is an amenable number.

55185308 is a deficient number, since it is larger than the sum of its proper divisors (41388988).

55185308 is a wasteful number, since it uses less digits than its factorization.

55185308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13796331 (or 13796329 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 55185308 is about 7428.6814442403. The cubic root of 55185308 is about 380.7218688273.

The spelling of 55185308 in words is "fifty-five million, one hundred eighty-five thousand, three hundred eight".