52286881 has 2 divisors, whose sum is σ = 52286882. Its totient is φ = 52286880.

The previous prime is 52286851. The next prime is 52286891. The reversal of 52286881 is 18868225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52070656 + 216225 = 7216^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 52286881 - 2⁹ = 52286369 is a prime.

It is a super-2 number, since 2×52286881² = 5467835849416322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52286851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26143440 + 26143441.

It is an arithmetic number, because the mean of its divisors is an integer number (26143441).

Almost surely, 2^52286881 is an apocalyptic number.

It is an amenable number.

52286881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52286881 is an equidigital number, since it uses as much as digits as its factorization.

52286881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 40.

The square root of 52286881 is about 7230.9668094937. The cubic root of 52286881 is about 373.9362588808.

The spelling of 52286881 in words is "fifty-two million, two hundred eighty-six thousand, eight hundred eighty-one".