5555959 has 4 divisors (see below), whose sum is σ = 5560920. Its totient is φ = 5551000.

The previous prime is 5555929. The next prime is 5555983. The reversal of 5555959 is 9595555.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5555959 is a prime.

It is a Duffinian number.

5555959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555929) 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, 84 + ... + 3334.

It is an arithmetic number, because the mean of its divisors is an integer number (1390230).

Almost surely, 2^5555959 is an apocalyptic number.

5555959 is a deficient number, since it is larger than the sum of its proper divisors (4961).

5555959 is a wasteful number, since it uses less digits than its factorization.

5555959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960.

The product of its digits is 253125, while the sum is 43.

The square root of 5555959 is about 2357.1081858922. The cubic root of 5555959 is about 177.1140486636.

The spelling of 5555959 in words is "five million, five hundred fifty-five thousand, nine hundred fifty-nine".