55873589 has 8 divisors (see below), whose sum is σ = 57566808. Its totient is φ = 54190080.

The previous prime is 55873583. The next prime is 55873613. The reversal of 55873589 is 98537855.

It can be written as a sum of positive squares in 4 ways, for example, as 20566225 + 35307364 = 4535^2 + 5942^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55873589 - 2⁸ = 55873333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55873583) 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 7 ways as a sum of consecutive naturals, for example, 10229 + ... + 14709.

It is an arithmetic number, because the mean of its divisors is an integer number (7195851).

Almost surely, 2^55873589 is an apocalyptic number.

It is an amenable number.

55873589 is a deficient number, since it is larger than the sum of its proper divisors (1693219).

55873589 is a wasteful number, since it uses less digits than its factorization.

55873589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855.

The product of its digits is 1512000, while the sum is 50.

The square root of 55873589 is about 7474.8638114684. The cubic root of 55873589 is about 382.2981440241.

It can be divided in two parts, 558 and 73589, that added together give a palindrome (74147).

The spelling of 55873589 in words is "fifty-five million, eight hundred seventy-three thousand, five hundred eighty-nine".