53999526206559 has 16 divisors (see below), whose sum is σ = 75860105888000. Its totient is φ = 34072880190336.

The previous prime is 53999526206557. The next prime is 53999526206567. The reversal of 53999526206559 is 95560262599935.

It is not a de Polignac number, because 53999526206559 - 2¹ = 53999526206557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53999526206557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 445546234 + ... + 445667415.

It is an arithmetic number, because the mean of its divisors is an integer number (4741256618000).

Almost surely, 2^{53999526206559} is an apocalyptic number.

53999526206559 is a deficient number, since it is larger than the sum of its proper divisors (21860579681441).

53999526206559 is a wasteful number, since it uses less digits than its factorization.

53999526206559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891214734.

The product of its (nonzero) digits is 1771470000, while the sum is 75.

The spelling of 53999526206559 in words is "fifty-three trillion, nine hundred ninety-nine billion, five hundred twenty-six million, two hundred six thousand, five hundred fifty-nine".