55886589 has 24 divisors (see below), whose sum is σ = 88888800. Its totient is φ = 33553440.

The previous prime is 55886561. The next prime is 55886603. The reversal of 55886589 is 98568855.

55886589 is a `hidden beast` number, since 5 + 58 + 8 + 6 + 589 = 666.

It is not a de Polignac number, because 55886589 - 2¹³ = 55878397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55886189) 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, 8202 + ... + 13380.

It is an arithmetic number, because the mean of its divisors is an integer number (3703700).

Almost surely, 2^55886589 is an apocalyptic number.

It is an amenable number.

55886589 is a deficient number, since it is larger than the sum of its proper divisors (33002211).

55886589 is a wasteful number, since it uses less digits than its factorization.

55886589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305 (or 5302 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 54.

The square root of 55886589 is about 7475.7333419538. The cubic root of 55886589 is about 382.3277912484.

The spelling of 55886589 in words is "fifty-five million, eight hundred eighty-six thousand, five hundred eighty-nine".