56041000291 has 4 divisors (see below), whose sum is σ = 56041502472. Its totient is φ = 56040498112.

The previous prime is 56041000241. The next prime is 56041000321. The reversal of 56041000291 is 19200014065.

56041000291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

56041000291 is a nontrivial binomial coefficient, being equal to C(334787, 2).

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 56041000291 - 2¹⁵ = 56040967523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56041000241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 334786.

It is an arithmetic number, because the mean of its divisors is an integer number (14010375618).

Almost surely, 2^56041000291 is an apocalyptic number.

56041000291 is the 334786-th triangular number.

56041000291 is the 111596-th centered nonagonal number.

56041000291 is a deficient number, since it is larger than the sum of its proper divisors (502181).

56041000291 is a wasteful number, since it uses less digits than its factorization.

56041000291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502180.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 56041000291 in words is "fifty-six billion, forty-one million, two hundred ninety-one", and thus it is an aban number.