55863117 has 6 divisors (see below), whose sum is σ = 80691182. Its totient is φ = 37242072.

The previous prime is 55863053. The next prime is 55863121. The reversal of 55863117 is 71136855.

55863117 is a `hidden beast` number, since 5 + 5 + 8 + 631 + 17 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53494596 + 2368521 = 7314^2 + 1539^2 .

It is not a de Polignac number, because 55863117 - 2⁶ = 55863053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55863167) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3103498 + ... + 3103515.

Almost surely, 2^55863117 is an apocalyptic number.

It is an amenable number.

55863117 is a deficient number, since it is larger than the sum of its proper divisors (24828065).

55863117 is a wasteful number, since it uses less digits than its factorization.

55863117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6207019 (or 6207016 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 55863117 is about 7474.1632976541. The cubic root of 55863117 is about 382.2742587003.

The spelling of 55863117 in words is "fifty-five million, eight hundred sixty-three thousand, one hundred seventeen".