556523245 has 8 divisors (see below), whose sum is σ = 668350584. Its totient is φ = 444870144.

The previous prime is 556523213. The next prime is 556523257. The reversal of 556523245 is 542325655.

It can be written as a sum of positive squares in 4 ways, for example, as 215825481 + 340697764 = 14691^2 + 18458^2 .

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 556523245 - 2⁵ = 556523213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36424 + ... + 49393.

It is an arithmetic number, because the mean of its divisors is an integer number (83543823).

Almost surely, 2^556523245 is an apocalyptic number.

It is an amenable number.

556523245 is a deficient number, since it is larger than the sum of its proper divisors (111827339).

556523245 is a wasteful number, since it uses less digits than its factorization.

556523245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87119.

The product of its digits is 180000, while the sum is 37.

The square root of 556523245 is about 23590.7449013379. The cubic root of 556523245 is about 822.5477200597.

The spelling of 556523245 in words is "five hundred fifty-six million, five hundred twenty-three thousand, two hundred forty-five".