55863185 has 12 divisors (see below), whose sum is σ = 77980788. Its totient is φ = 38306016.

The previous prime is 55863179. The next prime is 55863187. The reversal of 55863185 is 58136855.

55863185 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42562576 + 13300609 = 6524^2 + 3647^2 .

It is not a de Polignac number, because 55863185 - 2⁶ = 55863121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55863187) 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 in 11 ways as a sum of consecutive naturals, for example, 113762 + ... + 114251.

It is an arithmetic number, because the mean of its divisors is an integer number (6498399).

Almost surely, 2^55863185 is an apocalyptic number.

It is an amenable number.

55863185 is a deficient number, since it is larger than the sum of its proper divisors (22117603).

55863185 is a wasteful number, since it uses less digits than its factorization.

55863185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228032 (or 228025 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 55863185 is about 7474.1678466569. The cubic root of 55863185 is about 382.2744138094.

The spelling of 55863185 in words is "fifty-five million, eight hundred sixty-three thousand, one hundred eighty-five".