522553859 has 4 divisors (see below), whose sum is σ = 545273616. Its totient is φ = 499834104.

The previous prime is 522553781. The next prime is 522553879. The reversal of 522553859 is 958355225.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 522553859 - 2¹² = 522549763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (522553879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11359844 + ... + 11359889.

It is an arithmetic number, because the mean of its divisors is an integer number (136318404).

Almost surely, 2^522553859 is an apocalyptic number.

522553859 is a deficient number, since it is larger than the sum of its proper divisors (22719757).

522553859 is a wasteful number, since it uses less digits than its factorization.

522553859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22719756.

The product of its digits is 540000, while the sum is 44.

The square root of 522553859 is about 22859.4369790684. The cubic root of 522553859 is about 805.4594596859.

The spelling of 522553859 in words is "five hundred twenty-two million, five hundred fifty-three thousand, eight hundred fifty-nine".