564511992 has 64 divisors (see below), whose sum is σ = 1543276800. Its totient is φ = 170653440.

The previous prime is 564511973. The next prime is 564512017. The reversal of 564511992 is 299115465.

It is a super-2 number, since 2×564511992² = 637347578223616128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118309 + ... + 122987.

It is an arithmetic number, because the mean of its divisors is an integer number (24113700).

Almost surely, 2^564511992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564511992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771638400).

564511992 is an abundant number, since it is smaller than the sum of its proper divisors (978764808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564511992 is a wasteful number, since it uses less digits than its factorization.

564511992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156 (or 5152 counting only the distinct ones).

The product of its digits is 97200, while the sum is 42.

The square root of 564511992 is about 23759.4611049998. The cubic root of 564511992 is about 826.4648560727.

The spelling of 564511992 in words is "five hundred sixty-four million, five hundred eleven thousand, nine hundred ninety-two".