556075947025 has 81 divisors (see below), whose sum is σ = 759555472113. Its totient is φ = 403754515200.

The previous prime is 556075946999. The next prime is 556075947073. The reversal of 556075947025 is 520749570655.

The square root of 556075947025 is 745705.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 13007174401 + 543068772624 = 114049^2 + 736932^2 .

It is not a de Polignac number, because 556075947025 - 2¹⁹ = 556075422737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1964932534 + ... + 1964932816.

Almost surely, 2^556075947025 is an apocalyptic number.

556075947025 is the 745705-th square number.

556075947025 is the 372853-rd centered octagonal number.

It is an amenable number.

556075947025 is a deficient number, since it is larger than the sum of its proper divisors (203479525088).

556075947025 is an equidigital number, since it uses as much as digits as its factorization.

556075947025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 55.

The spelling of 556075947025 in words is "five hundred fifty-six billion, seventy-five million, nine hundred forty-seven thousand, twenty-five".