53827861 has 2 divisors, whose sum is σ = 53827862. Its totient is φ = 53827860.

The previous prime is 53827853. The next prime is 53827871. The reversal of 53827861 is 16872835.

53827861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53567761 + 260100 = 7319^2 + 510^2 .

It is a cyclic number.

It is not a de Polignac number, because 53827861 - 2³ = 53827853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53827801) 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, 26913930 + 26913931.

It is an arithmetic number, because the mean of its divisors is an integer number (26913931).

Almost surely, 2^53827861 is an apocalyptic number.

It is an amenable number.

53827861 is a deficient number, since it is larger than the sum of its proper divisors (1).

53827861 is an equidigital number, since it uses as much as digits as its factorization.

53827861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 53827861 is about 7336.7473038125. The cubic root of 53827861 is about 377.5742549425.

The spelling of 53827861 in words is "fifty-three million, eight hundred twenty-seven thousand, eight hundred sixty-one".