572055561 has 32 divisors (see below), whose sum is σ = 1056614400. Its totient is φ = 297170640.

The previous prime is 572055541. The next prime is 572055569. The reversal of 572055561 is 165550275.

It is a happy number.

It is not a de Polignac number, because 572055561 - 2¹⁴ = 572039177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (572055569) 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, 135501 + ... + 139658.

It is an arithmetic number, because the mean of its divisors is an integer number (33019200).

Almost surely, 2^572055561 is an apocalyptic number.

It is an amenable number.

572055561 is a deficient number, since it is larger than the sum of its proper divisors (484558839).

572055561 is a wasteful number, since it uses less digits than its factorization.

572055561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275186 (or 275180 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The square root of 572055561 is about 23917.6830190552. The cubic root of 572055561 is about 830.1299264356.

The spelling of 572055561 in words is "five hundred seventy-two million, fifty-five thousand, five hundred sixty-one".