53787871 has 2 divisors, whose sum is σ = 53787872. Its totient is φ = 53787870.

The previous prime is 53787863. The next prime is 53787907. The reversal of 53787871 is 17878735.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53787871 - 2³ = 53787863 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53787571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26893935 + 26893936.

It is an arithmetic number, because the mean of its divisors is an integer number (26893936).

Almost surely, 2^53787871 is an apocalyptic number.

53787871 is a deficient number, since it is larger than the sum of its proper divisors (1).

53787871 is an equidigital number, since it uses as much as digits as its factorization.

53787871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329280, while the sum is 46.

The square root of 53787871 is about 7334.0214752890. The cubic root of 53787871 is about 377.4807288088.

The spelling of 53787871 in words is "fifty-three million, seven hundred eighty-seven thousand, eight hundred seventy-one".