52775881 has 2 divisors, whose sum is σ = 52775882. Its totient is φ = 52775880.

The previous prime is 52775873. The next prime is 52775887. The reversal of 52775881 is 18857725.

52775881 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 can be written as a sum of positive squares in only one way, i.e., 47485881 + 5290000 = 6891^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 52775881 - 2³ = 52775873 is a prime.

It is a super-2 number, since 2×52775881² = 5570587230652322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52775887) 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, 26387940 + 26387941.

It is an arithmetic number, because the mean of its divisors is an integer number (26387941).

Almost surely, 2^52775881 is an apocalyptic number.

It is an amenable number.

52775881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52775881 is an equidigital number, since it uses as much as digits as its factorization.

52775881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 43.

The square root of 52775881 is about 7264.7010261951. The cubic root of 52775881 is about 375.0983587918.

The spelling of 52775881 in words is "fifty-two million, seven hundred seventy-five thousand, eight hundred eighty-one".