55530583 has 4 divisors (see below), whose sum is σ = 55574568. Its totient is φ = 55486600.

The previous prime is 55530581. The next prime is 55530611. The reversal of 55530583 is 38503555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55530583 - 2¹ = 55530581 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 (55530581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20041 + ... + 22642.

It is an arithmetic number, because the mean of its divisors is an integer number (13893642).

Almost surely, 2^55530583 is an apocalyptic number.

55530583 is a deficient number, since it is larger than the sum of its proper divisors (43985).

55530583 is a wasteful number, since it uses less digits than its factorization.

55530583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43984.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 55530583 is about 7451.8845267489. The cubic root of 55530583 is about 381.5142327358.

The spelling of 55530583 in words is "fifty-five million, five hundred thirty thousand, five hundred eighty-three".