566045553 has 4 divisors (see below), whose sum is σ = 754727408. Its totient is φ = 377363700.

The previous prime is 566045539. The next prime is 566045561. The reversal of 566045553 is 355540665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 566045553 - 2⁶ = 566045489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566045533) 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, 94340923 + ... + 94340928.

It is an arithmetic number, because the mean of its divisors is an integer number (188681852).

Almost surely, 2^566045553 is an apocalyptic number.

It is an amenable number.

566045553 is a deficient number, since it is larger than the sum of its proper divisors (188681855).

566045553 is a wasteful number, since it uses less digits than its factorization.

566045553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188681854.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 566045553 is about 23791.7118551818. The cubic root of 566045553 is about 827.2125746381.

The spelling of 566045553 in words is "five hundred sixty-six million, forty-five thousand, five hundred fifty-three".