553959 has 20 divisors (see below), whose sum is σ = 946704. Its totient is φ = 316224.

The previous prime is 553933. The next prime is 553961. The reversal of 553959 is 959355.

It is not a de Polignac number, because 553959 - 2⁸ = 553703 is a prime.

553959 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79 + ... + 1055.

2⁵⁵³⁹⁵⁹ is an apocalyptic number.

553959 is a deficient number, since it is larger than the sum of its proper divisors (392745).

553959 is an equidigital number, since it uses as much as digits as its factorization.

553959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 987 counting only the distinct ones).

The product of its digits is 30375, while the sum is 36.

The square root of 553959 is about 744.2842199053. The cubic root of 553959 is about 82.1282446957.

The spelling of 553959 in words is "five hundred fifty-three thousand, nine hundred fifty-nine".