555879 has 8 divisors (see below), whose sum is σ = 747520. Its totient is φ = 367416.

The previous prime is 555871. The next prime is 555931. The reversal of 555879 is 978555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 555879 - 2³ = 555871 is a prime.

It is a Duffinian number.

555879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (93440).

2⁵⁵⁵⁸⁷⁹ is an apocalyptic number.

555879 is a deficient number, since it is larger than the sum of its proper divisors (191641).

555879 is a wasteful number, since it uses less digits than its factorization.

555879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its digits is 63000, while the sum is 39.

The square root of 555879 is about 745.5729340581. The cubic root of 555879 is about 82.2230197012.

The spelling of 555879 in words is "five hundred fifty-five thousand, eight hundred seventy-nine".