53517603696979 has 2 divisors, whose sum is σ = 53517603696980. Its totient is φ = 53517603696978.

The previous prime is 53517603696857. The next prime is 53517603697003. The reversal of 53517603696979 is 97969630671535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53517603696979 - 2³³ = 53509013762387 is a prime.

It is not a weakly prime, because it can be changed into another prime (53517603694979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26758801848489 + 26758801848490.

It is an arithmetic number, because the mean of its divisors is an integer number (26758801848490).

Almost surely, 2^{53517603696979} is an apocalyptic number.

53517603696979 is a deficient number, since it is larger than the sum of its proper divisors (1).

53517603696979 is an equidigital number, since it uses as much as digits as its factorization.

53517603696979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1736040600, while the sum is 76.

The spelling of 53517603696979 in words is "fifty-three trillion, five hundred seventeen billion, six hundred three million, six hundred ninety-six thousand, nine hundred seventy-nine".