566555431 has 12 divisors (see below), whose sum is σ = 615161088. Its totient is φ = 521549184.

The previous prime is 566555419. The next prime is 566555441. The reversal of 566555431 is 134555665.

566555431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 566555431 - 2⁷ = 566555303 is a prime.

It is a super-2 number, since 2×566555431² = 641970112791191522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566555441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60351 + ... + 69103.

It is an arithmetic number, because the mean of its divisors is an integer number (51263424).

Almost surely, 2^566555431 is an apocalyptic number.

566555431 is a deficient number, since it is larger than the sum of its proper divisors (48605657).

566555431 is a wasteful number, since it uses less digits than its factorization.

566555431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9162 (or 9149 counting only the distinct ones).

The product of its digits is 270000, while the sum is 40.

The square root of 566555431 is about 23802.4248974763. The cubic root of 566555431 is about 827.4608767476.

The spelling of 566555431 in words is "five hundred sixty-six million, five hundred fifty-five thousand, four hundred thirty-one".