573521648 has 20 divisors (see below), whose sum is σ = 1269941040. Its totient is φ = 245794944.

The previous prime is 573521647. The next prime is 573521657. The reversal of 573521648 is 846125375.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573521647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560253 + ... + 2560476.

It is an arithmetic number, because the mean of its divisors is an integer number (63497052).

Almost surely, 2^573521648 is an apocalyptic number.

It is an amenable number.

573521648 is an abundant number, since it is smaller than the sum of its proper divisors (696419392).

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

573521648 is a wasteful number, since it uses less digits than its factorization.

573521648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120744 (or 5120738 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 573521648 is about 23948.3120073211. The cubic root of 573521648 is about 830.8384849270.

The spelling of 573521648 in words is "five hundred seventy-three million, five hundred twenty-one thousand, six hundred forty-eight".