558570961 has 16 divisors (see below), whose sum is σ = 619838800. Its totient is φ = 500152320.

The previous prime is 558570959. The next prime is 558570973. The reversal of 558570961 is 169075855.

It can be written as a sum of positive squares in 8 ways, for example, as 226201600 + 332369361 = 15040^2 + 18231^2 .

It is a 3-Lehmer number, since φ(558570961) divides (558570961-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 558570961 - 2¹ = 558570959 is a prime.

It is a deceptive number, since it divides R_558570960.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (558570461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53065 + ... + 62713.

It is an arithmetic number, because the mean of its divisors is an integer number (38739925).

It is a Poulet number, since it divides 2^558570960-1.

Almost surely, 2^558570961 is an apocalyptic number.

It is an amenable number.

558570961 is a deficient number, since it is larger than the sum of its proper divisors (61267839).

558570961 is a wasteful number, since it uses less digits than its factorization.

558570961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796.

The product of its (nonzero) digits is 378000, while the sum is 46.

The square root of 558570961 is about 23634.1058853514. The cubic root of 558570961 is about 823.5553344574. Note that the first 3 decimals are identical.

The spelling of 558570961 in words is "five hundred fifty-eight million, five hundred seventy thousand, nine hundred sixty-one".