55089593 has 8 divisors (see below), whose sum is σ = 60590208. Its totient is φ = 49769424.

The previous prime is 55089583. The next prime is 55089613. The reversal of 55089593 is 39598055.

It is a happy number.

55089593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55089593 - 2²⁰ = 54041017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55089553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44471 + ... + 45692.

It is an arithmetic number, because the mean of its divisors is an integer number (7573776).

Almost surely, 2^55089593 is an apocalyptic number.

It is an amenable number.

55089593 is a deficient number, since it is larger than the sum of its proper divisors (5500615).

55089593 is a wasteful number, since it uses less digits than its factorization.

55089593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90223.

The product of its (nonzero) digits is 243000, while the sum is 44.

The square root of 55089593 is about 7422.2363880437. The cubic root of 55089593 is about 380.5016297618.

The spelling of 55089593 in words is "fifty-five million, eighty-nine thousand, five hundred ninety-three".