564821048 has 32 divisors (see below), whose sum is σ = 1158865920. Its totient is φ = 255948000.

The previous prime is 564821029. The next prime is 564821057. The reversal of 564821048 is 840128465.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19433 + ... + 38823.

It is an arithmetic number, because the mean of its divisors is an integer number (36214560).

Almost surely, 2^564821048 is an apocalyptic number.

It is an amenable number.

564821048 is an abundant number, since it is smaller than the sum of its proper divisors (594044872).

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

564821048 is a wasteful number, since it uses less digits than its factorization.

564821048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19739 (or 19735 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 564821048 is about 23765.9640662861. The cubic root of 564821048 is about 826.6156514073.

The spelling of 564821048 in words is "five hundred sixty-four million, eight hundred twenty-one thousand, forty-eight".