55959593 has 4 divisors (see below), whose sum is σ = 56362320. Its totient is φ = 55556868.

The previous prime is 55959583. The next prime is 55959601. The reversal of 55959593 is 39595955.

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 not a de Polignac number, because 55959593 - 2¹⁰ = 55958569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55959583) 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, 201155 + ... + 201432.

It is an arithmetic number, because the mean of its divisors is an integer number (14090580).

Almost surely, 2^55959593 is an apocalyptic number.

It is an amenable number.

55959593 is a deficient number, since it is larger than the sum of its proper divisors (402727).

55959593 is a wasteful number, since it uses less digits than its factorization.

55959593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402726.

The product of its digits is 1366875, while the sum is 50.

The square root of 55959593 is about 7480.6144801079. The cubic root of 55959593 is about 382.4941955916.

The spelling of 55959593 in words is "fifty-five million, nine hundred fifty-nine thousand, five hundred ninety-three".