55567589 has 16 divisors (see below), whose sum is σ = 70319616. Its totient is φ = 42649200.

The previous prime is 55567559. The next prime is 55567601. The reversal of 55567589 is 98576555.

It is not a de Polignac number, because 55567589 - 2¹² = 55563493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55567529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227 + ... + 10544.

It is an arithmetic number, because the mean of its divisors is an integer number (4394976).

Almost surely, 2^55567589 is an apocalyptic number.

It is an amenable number.

55567589 is a deficient number, since it is larger than the sum of its proper divisors (14752027).

55567589 is a wasteful number, since it uses less digits than its factorization.

55567589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10856.

The product of its digits is 1890000, while the sum is 50.

The square root of 55567589 is about 7454.3671092857. The cubic root of 55567589 is about 381.5989619061.

The spelling of 55567589 in words is "fifty-five million, five hundred sixty-seven thousand, five hundred eighty-nine".