52779563 has 4 divisors (see below), whose sum is σ = 53103528. Its totient is φ = 52455600.

The previous prime is 52779557. The next prime is 52779589. The reversal of 52779563 is 36597725.

52779563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52779563 - 2⁴ = 52779547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52779523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161738 + ... + 162063.

It is an arithmetic number, because the mean of its divisors is an integer number (13275882).

Almost surely, 2^52779563 is an apocalyptic number.

52779563 is a deficient number, since it is larger than the sum of its proper divisors (323965).

52779563 is a wasteful number, since it uses less digits than its factorization.

52779563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323964.

The product of its digits is 396900, while the sum is 44.

The square root of 52779563 is about 7264.9544389487. The cubic root of 52779563 is about 375.1070817161.

The spelling of 52779563 in words is "fifty-two million, seven hundred seventy-nine thousand, five hundred sixty-three".