553979 has 4 divisors (see below), whose sum is σ = 586584. Its totient is φ = 521376.

The previous prime is 553963. The next prime is 553981. The reversal of 553979 is 979355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 553979 - 2⁴ = 553963 is a prime.

It is a Duffinian 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16277 + ... + 16310.

It is an arithmetic number, because the mean of its divisors is an integer number (146646).

2⁵⁵³⁹⁷⁹ is an apocalyptic number.

553979 is a deficient number, since it is larger than the sum of its proper divisors (32605).

553979 is a wasteful number, since it uses less digits than its factorization.

553979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32604.

The product of its digits is 42525, while the sum is 38.

The square root of 553979 is about 744.2976555116. The cubic root of 553979 is about 82.1292330632.

The spelling of 553979 in words is "five hundred fifty-three thousand, nine hundred seventy-nine".