52775563 has 4 divisors (see below), whose sum is σ = 54595440. Its totient is φ = 50955688.

The previous prime is 52775549. The next prime is 52775581. The reversal of 52775563 is 36557725.

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 52775563 - 2¹⁷ = 52644491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52775533) 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, 909895 + ... + 909952.

It is an arithmetic number, because the mean of its divisors is an integer number (13648860).

Almost surely, 2^52775563 is an apocalyptic number.

52775563 is a deficient number, since it is larger than the sum of its proper divisors (1819877).

52775563 is a wasteful number, since it uses less digits than its factorization.

52775563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819876.

The product of its digits is 220500, while the sum is 40.

The square root of 52775563 is about 7264.6791395078. The cubic root of 52775563 is about 375.0976054078.

The spelling of 52775563 in words is "fifty-two million, seven hundred seventy-five thousand, five hundred sixty-three".