55598593 has 4 divisors (see below), whose sum is σ = 57392128. Its totient is φ = 53805060.

The previous prime is 55598563. The next prime is 55598639. The reversal of 55598593 is 39589555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55598593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55598513) 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, 896721 + ... + 896782.

It is an arithmetic number, because the mean of its divisors is an integer number (14348032).

Almost surely, 2^55598593 is an apocalyptic number.

It is an amenable number.

55598593 is a deficient number, since it is larger than the sum of its proper divisors (1793535).

55598593 is a wasteful number, since it uses less digits than its factorization.

55598593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793534.

The product of its digits is 1215000, while the sum is 49.

The square root of 55598593 is about 7456.4464056278. The cubic root of 55598593 is about 381.6699199035.

The spelling of 55598593 in words is "fifty-five million, five hundred ninety-eight thousand, five hundred ninety-three".