564053553 has 48 divisors (see below), whose sum is σ = 963539200. Its totient is φ = 317774016.

The previous prime is 564053549. The next prime is 564053561. The reversal of 564053553 is 355350465.

564053553 is a `hidden beast` number, since 5 + 640 + 5 + 3 + 5 + 5 + 3 = 666.

It is not a de Polignac number, because 564053553 - 2² = 564053549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (564053573) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224100 + ... + 226602.

Almost surely, 2^564053553 is an apocalyptic number.

It is an amenable number.

564053553 is a deficient number, since it is larger than the sum of its proper divisors (399485647).

564053553 is a wasteful number, since it uses less digits than its factorization.

564053553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

The square root of 564053553 is about 23749.8116413583. The cubic root of 564053553 is about 826.2410720272.

The spelling of 564053553 in words is "five hundred sixty-four million, fifty-three thousand, five hundred fifty-three".