53665878107 has 2 divisors, whose sum is σ = 53665878108. Its totient is φ = 53665878106.

The previous prime is 53665878083. The next prime is 53665878113. The reversal of 53665878107 is 70187856635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53665878107 - 2²⁰ = 53664829531 is a prime.

It is not a weakly prime, because it can be changed into another prime (53665878907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26832939053 + 26832939054.

It is an arithmetic number, because the mean of its divisors is an integer number (26832939054).

Almost surely, 2^53665878107 is an apocalyptic number.

53665878107 is a deficient number, since it is larger than the sum of its proper divisors (1).

53665878107 is an equidigital number, since it uses as much as digits as its factorization.

53665878107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 53665878107 in words is "fifty-three billion, six hundred sixty-five million, eight hundred seventy-eight thousand, one hundred seven".