53126825817 has 16 divisors (see below), whose sum is σ = 80772007680. Its totient is φ = 30770287872.

The previous prime is 53126825743. The next prime is 53126825821. The reversal of 53126825817 is 71852862135.

It is not a de Polignac number, because 53126825817 - 2²³ = 53118437209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53126825417) 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 15 ways as a sum of consecutive naturals, for example, 40064817 + ... + 40066142.

It is an arithmetic number, because the mean of its divisors is an integer number (5048250480).

Almost surely, 2^53126825817 is an apocalyptic number.

It is an amenable number.

53126825817 is a deficient number, since it is larger than the sum of its proper divisors (27645181863).

53126825817 is a wasteful number, since it uses less digits than its factorization.

53126825817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80130992.

The product of its digits is 806400, while the sum is 48.

The spelling of 53126825817 in words is "fifty-three billion, one hundred twenty-six million, eight hundred twenty-five thousand, eight hundred seventeen".