56036229291 has 12 divisors (see below), whose sum is σ = 92504251632. Its totient is φ = 32020702416.

The previous prime is 56036229257. The next prime is 56036229307. The reversal of 56036229291 is 19292263065.

56036229291 is a `hidden beast` number, since 560 + 3 + 62 + 2 + 9 + 29 + 1 = 666.

It is not a de Polignac number, because 56036229291 - 2¹⁰ = 56036228267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56036229211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444731916 + ... + 444732041.

It is an arithmetic number, because the mean of its divisors is an integer number (7708687636).

Almost surely, 2^56036229291 is an apocalyptic number.

56036229291 is a deficient number, since it is larger than the sum of its proper divisors (36468022341).

56036229291 is a wasteful number, since it uses less digits than its factorization.

56036229291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889463970 (or 889463967 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 56036229291 in words is "fifty-six billion, thirty-six million, two hundred twenty-nine thousand, two hundred ninety-one".