556675581 has 32 divisors (see below), whose sum is σ = 929166336. Its totient is φ = 288000000.

The previous prime is 556675541. The next prime is 556675607. The reversal of 556675581 is 185576655.

It is not a de Polignac number, because 556675581 - 2⁶ = 556675517 is a prime.

It is a super-2 number, since 2×556675581² = 619775404963375122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 556675581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556675541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53181 + ... + 62781.

It is an arithmetic number, because the mean of its divisors is an integer number (29036448).

Almost surely, 2^556675581 is an apocalyptic number.

It is an amenable number.

556675581 is a deficient number, since it is larger than the sum of its proper divisors (372490755).

556675581 is a wasteful number, since it uses less digits than its factorization.

556675581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9873.

The product of its digits is 1260000, while the sum is 48.

The square root of 556675581 is about 23593.9734042403. The cubic root of 556675581 is about 822.6227646628.

The spelling of 556675581 in words is "five hundred fifty-six million, six hundred seventy-five thousand, five hundred eighty-one".