55856259 has 24 divisors (see below), whose sum is σ = 84794112. Its totient is φ = 35362800.

The previous prime is 55856209. The next prime is 55856263. The reversal of 55856259 is 95265855.

55856259 is a `hidden beast` number, since 5 + 585 + 62 + 5 + 9 = 666.

It is not a de Polignac number, because 55856259 - 2⁹ = 55855747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55856209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30364 + ... + 32150.

It is an arithmetic number, because the mean of its divisors is an integer number (3533088).

Almost surely, 2^55856259 is an apocalyptic number.

55856259 is a deficient number, since it is larger than the sum of its proper divisors (28937853).

55856259 is a wasteful number, since it uses less digits than its factorization.

55856259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1964 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The square root of 55856259 is about 7473.7045031229. The cubic root of 55856259 is about 382.2586148414.

The spelling of 55856259 in words is "fifty-five million, eight hundred fifty-six thousand, two hundred fifty-nine".