556881572 has 12 divisors (see below), whose sum is σ = 1049507676. Its totient is φ = 257022240.

The previous prime is 556881571. The next prime is 556881593. The reversal of 556881572 is 275188655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 303944356 + 252937216 = 17434^2 + 15904^2 .

It is not an unprimeable number, because it can be changed into a prime (556881571) 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, 5354579 + ... + 5354682.

It is an arithmetic number, because the mean of its divisors is an integer number (87458973).

Almost surely, 2^556881572 is an apocalyptic number.

556881572 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

556881572 is a deficient number, since it is larger than the sum of its proper divisors (492626104).

556881572 is a wasteful number, since it uses less digits than its factorization.

556881572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709278 (or 10709276 counting only the distinct ones).

The product of its digits is 672000, while the sum is 47.

The square root of 556881572 is about 23598.3383313317. The cubic root of 556881572 is about 822.7242193189.

The spelling of 556881572 in words is "five hundred fifty-six million, eight hundred eighty-one thousand, five hundred seventy-two".