53966513287 has 2 divisors, whose sum is σ = 53966513288. Its totient is φ = 53966513286.

The previous prime is 53966513233. The next prime is 53966513297. The reversal of 53966513287 is 78231566935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53966513287 - 2²³ = 53958124679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53966513297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26983256643 + 26983256644.

It is an arithmetic number, because the mean of its divisors is an integer number (26983256644).

Almost surely, 2^53966513287 is an apocalyptic number.

53966513287 is a deficient number, since it is larger than the sum of its proper divisors (1).

53966513287 is an equidigital number, since it uses as much as digits as its factorization.

53966513287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 55.

The spelling of 53966513287 in words is "fifty-three billion, nine hundred sixty-six million, five hundred thirteen thousand, two hundred eighty-seven".