555249 has 8 divisors (see below), whose sum is σ = 753120. Its totient is φ = 363776.

The previous prime is 555221. The next prime is 555251. The reversal of 555249 is 942555.

It is a happy number.

555249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555249 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 555249.

It is not an unprimeable number, because it can be changed into a prime (555209) 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, 1392 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (94140).

2⁵⁵⁵²⁴⁹ is an apocalyptic number.

555249 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

555249 is a deficient number, since it is larger than the sum of its proper divisors (197871).

555249 is a wasteful number, since it uses less digits than its factorization.

555249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its digits is 9000, while the sum is 30.

The square root of 555249 is about 745.1503204052. The cubic root of 555249 is about 82.1919457421.

The spelling of 555249 in words is "five hundred fifty-five thousand, two hundred forty-nine".