55879047 has 12 divisors (see below), whose sum is σ = 92244880. Its totient is φ = 31930848.

The previous prime is 55879039. The next prime is 55879049. The reversal of 55879047 is 74097855.

55879047 is a `hidden beast` number, since 558 + 7 + 90 + 4 + 7 = 666.

55879047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55879047 - 2³ = 55879039 is a prime.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 55878993 and 55879011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55879049) 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, 443422 + ... + 443547.

Almost surely, 2^55879047 is an apocalyptic number.

55879047 is a deficient number, since it is larger than the sum of its proper divisors (36365833).

55879047 is a wasteful number, since it uses less digits than its factorization.

55879047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886982 (or 886979 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 55879047 is about 7475.2288928166. The cubic root of 55879047 is about 382.3105918572.

The spelling of 55879047 in words is "fifty-five million, eight hundred seventy-nine thousand, forty-seven".