53608841987 has 2 divisors, whose sum is σ = 53608841988. Its totient is φ = 53608841986.

The previous prime is 53608841939. The next prime is 53608842043. The reversal of 53608841987 is 78914880635.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53608841987 - 2²⁰ = 53607793411 is a prime.

It is not a weakly prime, because it can be changed into another prime (53608841887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26804420993 + 26804420994.

It is an arithmetic number, because the mean of its divisors is an integer number (26804420994).

Almost surely, 2^53608841987 is an apocalyptic number.

53608841987 is a deficient number, since it is larger than the sum of its proper divisors (1).

53608841987 is an equidigital number, since it uses as much as digits as its factorization.

53608841987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 53608841987 in words is "fifty-three billion, six hundred eight million, eight hundred forty-one thousand, nine hundred eighty-seven".