556552590722 has 18 divisors (see below), whose sum is σ = 849313343529. Its totient is φ = 273529151880.

The previous prime is 556552590703. The next prime is 556552590751. The reversal of 556552590722 is 227095255655.

It can be written as a sum of positive squares in 2 ways, for example, as 542080260121 + 14472330601 = 736261^2 + 120301^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=527519.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62242772 + ... + 62251712.

Almost surely, 2^556552590722 is an apocalyptic number.

556552590722 is a deficient number, since it is larger than the sum of its proper divisors (292760752807).

556552590722 is an frugal number, since it uses more digits than its factorization.

556552590722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18002 (or 9002 counting only the distinct ones).

The product of its (nonzero) digits is 9450000, while the sum is 53.

The spelling of 556552590722 in words is "five hundred fifty-six billion, five hundred fifty-two million, five hundred ninety thousand, seven hundred twenty-two".