555949 has 4 divisors (see below), whose sum is σ = 557536. Its totient is φ = 554364.

The previous prime is 555941. The next prime is 555953. The reversal of 555949 is 949555.

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 555949 - 2³ = 555941 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 (555941) 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, 9 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (139384).

2⁵⁵⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

555949 is a deficient number, since it is larger than the sum of its proper divisors (1587).

555949 is a wasteful number, since it uses less digits than its factorization.

555949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 40500, while the sum is 37.

The square root of 555949 is about 745.6198763445. The cubic root of 555949 is about 82.2264709137.

The spelling of 555949 in words is "five hundred fifty-five thousand, nine hundred forty-nine".