564577990 has 32 divisors (see below), whose sum is σ = 1077201504. Its totient is φ = 212313600.

The previous prime is 564577967. The next prime is 564577991. The reversal of 564577990 is 99775465.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564577991) 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, 296040 + ... + 297940.

It is an arithmetic number, because the mean of its divisors is an integer number (33662547).

Almost surely, 2^564577990 is an apocalyptic number.

564577990 is a deficient number, since it is larger than the sum of its proper divisors (512623514).

564577990 is a wasteful number, since it uses less digits than its factorization.

564577990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The square root of 564577990 is about 23760.8499427104. The cubic root of 564577990 is about 826.4970625938.

The spelling of 564577990 in words is "five hundred sixty-four million, five hundred seventy-seven thousand, nine hundred ninety".