52566463 has 4 divisors (see below), whose sum is σ = 53457480. Its totient is φ = 51675448.

The previous prime is 52566461. The next prime is 52566467. The reversal of 52566463 is 36466525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52566463 - 2¹ = 52566461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52566461) 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, 445420 + ... + 445537.

It is an arithmetic number, because the mean of its divisors is an integer number (13364370).

Almost surely, 2^52566463 is an apocalyptic number.

52566463 is a deficient number, since it is larger than the sum of its proper divisors (891017).

52566463 is an equidigital number, since it uses as much as digits as its factorization.

52566463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891016.

The product of its digits is 129600, while the sum is 37.

The square root of 52566463 is about 7250.2733051934. The cubic root of 52566463 is about 374.6015631819.

The spelling of 52566463 in words is "fifty-two million, five hundred sixty-six thousand, four hundred sixty-three".