53139617826591 has 8 divisors (see below), whose sum is σ = 71029514103984. Its totient is φ = 35338066716800.

The previous prime is 53139617826583. The next prime is 53139617826611. The reversal of 53139617826591 is 19562871693135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53139617826591 - 2³ = 53139617826583 is a prime.

It is a super-2 number, since 2×53139617826591² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53139617822591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22086290496 + ... + 22086292901.

It is an arithmetic number, because the mean of its divisors is an integer number (8878689262998).

Almost surely, 2^{53139617826591} is an apocalyptic number.

53139617826591 is a deficient number, since it is larger than the sum of its proper divisors (17889896277393).

53139617826591 is a wasteful number, since it uses less digits than its factorization.

53139617826591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44172583801.

The product of its digits is 73483200, while the sum is 66.

The spelling of 53139617826591 in words is "fifty-three trillion, one hundred thirty-nine billion, six hundred seventeen million, eight hundred twenty-six thousand, five hundred ninety-one".