55863927 has 24 divisors (see below), whose sum is σ = 92547104. Its totient is φ = 31809024.

The previous prime is 55863919. The next prime is 55863943. The reversal of 55863927 is 72936855.

It is a happy number.

55863927 is a `hidden beast` number, since 5 + 5 + 8 + 639 + 2 + 7 = 666.

It is not a de Polignac number, because 55863927 - 2³ = 55863919 is a prime.

It is a super-2 number, since 2×55863927² = 6241556679722658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55863967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18303 + ... + 21135.

Almost surely, 2^55863927 is an apocalyptic number.

55863927 is a deficient number, since it is larger than the sum of its proper divisors (36683177).

55863927 is a wasteful number, since it uses less digits than its factorization.

55863927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3156 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 55863927 is about 7474.2174841250. The cubic root of 55863927 is about 382.2761063156.

The spelling of 55863927 in words is "fifty-five million, eight hundred sixty-three thousand, nine hundred twenty-seven".