56091639605229 has 16 divisors (see below), whose sum is σ = 83098850667840. Its totient is φ = 37394370006480.

The previous prime is 56091639605101. The next prime is 56091639605299. The reversal of 56091639605229 is 92250693619065.

56091639605229 is a `hidden beast` number, since 5 + 6 + 0 + 9 + 16 + 3 + 9 + 605 + 2 + 2 + 9 = 666.

It is not a de Polignac number, because 56091639605229 - 2⁷ = 56091639605101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56091639605299) 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, 24635719 + ... + 26816075.

It is an arithmetic number, because the mean of its divisors is an integer number (5193678166740).

Almost surely, 2^{56091639605229} is an apocalyptic number.

It is an amenable number.

56091639605229 is a deficient number, since it is larger than the sum of its proper divisors (27007211062611).

56091639605229 is a wasteful number, since it uses less digits than its factorization.

56091639605229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133177 (or 3133171 counting only the distinct ones).

The product of its (nonzero) digits is 47239200, while the sum is 63.

The spelling of 56091639605229 in words is "fifty-six trillion, ninety-one billion, six hundred thirty-nine million, six hundred five thousand, two hundred twenty-nine".