556708855 has 4 divisors (see below), whose sum is σ = 668050632. Its totient is φ = 445367080.

The previous prime is 556708807. The next prime is 556708861. The reversal of 556708855 is 558807655.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 556708855 - 2⁷ = 556708727 is a prime.

It is a super-2 number, since 2×556708855² = 619849498470822050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556708799 and 556708808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55670881 + ... + 55670890.

It is an arithmetic number, because the mean of its divisors is an integer number (167012658).

Almost surely, 2^556708855 is an apocalyptic number.

556708855 is a deficient number, since it is larger than the sum of its proper divisors (111341777).

556708855 is a wasteful number, since it uses less digits than its factorization.

556708855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111341776.

The product of its (nonzero) digits is 1680000, while the sum is 49.

The square root of 556708855 is about 23594.6785313977. The cubic root of 556708855 is about 822.6391544630.

The spelling of 556708855 in words is "five hundred fifty-six million, seven hundred eight thousand, eight hundred fifty-five".