52763561 has 4 divisors (see below), whose sum is σ = 53356500. Its totient is φ = 52170624.

The previous prime is 52763531. The next prime is 52763573. The reversal of 52763561 is 16536725.

52763561 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 can be written as a sum of positive squares in 2 ways, for example, as 34445161 + 18318400 = 5869^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 52763561 - 2¹⁸ = 52501417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52763531) 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, 296336 + ... + 296513.

It is an arithmetic number, because the mean of its divisors is an integer number (13339125).

Almost surely, 2^52763561 is an apocalyptic number.

It is an amenable number.

52763561 is a deficient number, since it is larger than the sum of its proper divisors (592939).

52763561 is an equidigital number, since it uses as much as digits as its factorization.

52763561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592938.

The product of its digits is 37800, while the sum is 35.

The square root of 52763561 is about 7263.8530409143. The cubic root of 52763561 is about 375.0691688706.

The spelling of 52763561 in words is "fifty-two million, seven hundred sixty-three thousand, five hundred sixty-one".