52561879 has 2 divisors, whose sum is σ = 52561880. Its totient is φ = 52561878.

The previous prime is 52561853. The next prime is 52561889. The reversal of 52561879 is 97816525.

52561879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52561879 - 2¹¹ = 52559831 is a prime.

It is a super-2 number, since 2×52561879² = 5525502248021282, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52561889) 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 as a sum of consecutive naturals, namely, 26280939 + 26280940.

It is an arithmetic number, because the mean of its divisors is an integer number (26280940).

Almost surely, 2^52561879 is an apocalyptic number.

52561879 is a deficient number, since it is larger than the sum of its proper divisors (1).

52561879 is an equidigital number, since it uses as much as digits as its factorization.

52561879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 52561879 is about 7249.9571722873. The cubic root of 52561879 is about 374.5906739610.

The spelling of 52561879 in words is "fifty-two million, five hundred sixty-one thousand, eight hundred seventy-nine".