53871040099 has 2 divisors, whose sum is σ = 53871040100. Its totient is φ = 53871040098.

The previous prime is 53871040057. The next prime is 53871040103. The reversal of 53871040099 is 99004017835.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53871040099 is a prime.

It is a super-2 number, since 2×53871040099² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53871043099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26935520049 + 26935520050.

It is an arithmetic number, because the mean of its divisors is an integer number (26935520050).

Almost surely, 2^53871040099 is an apocalyptic number.

53871040099 is a deficient number, since it is larger than the sum of its proper divisors (1).

53871040099 is an equidigital number, since it uses as much as digits as its factorization.

53871040099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 53871040099 in words is "fifty-three billion, eight hundred seventy-one million, forty thousand, ninety-nine".