55105593 has 4 divisors (see below), whose sum is σ = 73474128. Its totient is φ = 36737060.

The previous prime is 55105591. The next prime is 55105613. The reversal of 55105593 is 39550155.

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 55105593 - 2¹ = 55105591 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55105591) 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, 9184263 + ... + 9184268.

It is an arithmetic number, because the mean of its divisors is an integer number (18368532).

Almost surely, 2^55105593 is an apocalyptic number.

It is an amenable number.

55105593 is a deficient number, since it is larger than the sum of its proper divisors (18368535).

55105593 is a wasteful number, since it uses less digits than its factorization.

55105593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18368534.

The product of its (nonzero) digits is 16875, while the sum is 33.

The square root of 55105593 is about 7423.3141520483. The cubic root of 55105593 is about 380.5384633175.

The spelling of 55105593 in words is "fifty-five million, one hundred five thousand, five hundred ninety-three".