53146533887 has 2 divisors, whose sum is σ = 53146533888. Its totient is φ = 53146533886.

The previous prime is 53146533863. The next prime is 53146533907. The reversal of 53146533887 is 78833564135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53146533887 - 2⁶ = 53146533823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53146533857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26573266943 + 26573266944.

It is an arithmetic number, because the mean of its divisors is an integer number (26573266944).

Almost surely, 2^53146533887 is an apocalyptic number.

53146533887 is a deficient number, since it is larger than the sum of its proper divisors (1).

53146533887 is an equidigital number, since it uses as much as digits as its factorization.

53146533887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 53.

The spelling of 53146533887 in words is "fifty-three billion, one hundred forty-six million, five hundred thirty-three thousand, eight hundred eighty-seven".