55884589 has 2 divisors, whose sum is σ = 55884590. Its totient is φ = 55884588.

The previous prime is 55884581. The next prime is 55884611. The reversal of 55884589 is 98548855.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41822089 + 14062500 = 6467^2 + 3750^2 .

It is a cyclic number.

It is not a de Polignac number, because 55884589 - 2³ = 55884581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55884581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27942294 + 27942295.

It is an arithmetic number, because the mean of its divisors is an integer number (27942295).

Almost surely, 2^55884589 is an apocalyptic number.

It is an amenable number.

55884589 is a deficient number, since it is larger than the sum of its proper divisors (1).

55884589 is an equidigital number, since it uses as much as digits as its factorization.

55884589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304000, while the sum is 52.

The square root of 55884589 is about 7475.5995746161. The cubic root of 55884589 is about 382.3232304363.

The spelling of 55884589 in words is "fifty-five million, eight hundred eighty-four thousand, five hundred eighty-nine".