53139617826583 has 2 divisors, whose sum is σ = 53139617826584. Its totient is φ = 53139617826582.

The previous prime is 53139617826569. The next prime is 53139617826611. The reversal of 53139617826583 is 38562871693135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53139617826583 is a prime.

It is a super-2 number, since 2×53139617826583² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53139617826523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26569808913291 + 26569808913292.

It is an arithmetic number, because the mean of its divisors is an integer number (26569808913292).

Almost surely, 2^{53139617826583} is an apocalyptic number.

53139617826583 is a deficient number, since it is larger than the sum of its proper divisors (1).

53139617826583 is an equidigital number, since it uses as much as digits as its factorization.

53139617826583 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195955200, while the sum is 67.

The spelling of 53139617826583 in words is "fifty-three trillion, one hundred thirty-nine billion, six hundred seventeen million, eight hundred twenty-six thousand, five hundred eighty-three".