556797 has 4 divisors (see below), whose sum is σ = 742400. Its totient is φ = 371196.

The previous prime is 556793. The next prime is 556799. The reversal of 556797 is 797655.

556797 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 556797 - 2² = 556793 is a prime.

It is a D-number.

It is a Duffinian number.

556797 is strictly pandigital in base 7.

556797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556793) 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, 92797 + ... + 92802.

It is an arithmetic number, because the mean of its divisors is an integer number (185600).

2⁵⁵⁶⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

556797 is a deficient number, since it is larger than the sum of its proper divisors (185603).

556797 is a wasteful number, since it uses less digits than its factorization.

556797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185602.

The product of its digits is 66150, while the sum is 39.

The square root of 556797 is about 746.1883140334. The cubic root of 556797 is about 82.2682568958.

The spelling of 556797 in words is "five hundred fifty-six thousand, seven hundred ninety-seven".