556455 has 8 divisors (see below), whose sum is σ = 890352. Its totient is φ = 296768.

The previous prime is 556441. The next prime is 556459. The reversal of 556455 is 554655.

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

It is a cyclic number.

It is not a de Polignac number, because 556455 - 2⁷ = 556327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556459) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18534 + ... + 18563.

It is an arithmetic number, because the mean of its divisors is an integer number (111294).

2⁵⁵⁶⁴⁵⁵ is an apocalyptic number.

556455 is a deficient number, since it is larger than the sum of its proper divisors (333897).

556455 is a wasteful number, since it uses less digits than its factorization.

556455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37105.

The product of its digits is 15000, while the sum is 30.

The square root of 556455 is about 745.9591141611. The cubic root of 556455 is about 82.2514096388.

The spelling of 556455 in words is "five hundred fifty-six thousand, four hundred fifty-five".