56033215261 has 4 divisors (see below), whose sum is σ = 56610877372. Its totient is φ = 55455553152.

The previous prime is 56033215207. The next prime is 56033215289. The reversal of 56033215261 is 16251233065.

56033215261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22648444036 + 33384771225 = 150494^2 + 182715^2 .

It is a cyclic number.

It is not a de Polignac number, because 56033215261 - 2¹¹ = 56033213213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56033215561) 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, 288830910 + ... + 288831103.

It is an arithmetic number, because the mean of its divisors is an integer number (14152719343).

Almost surely, 2^56033215261 is an apocalyptic number.

It is an amenable number.

56033215261 is a deficient number, since it is larger than the sum of its proper divisors (577662111).

56033215261 is an equidigital number, since it uses as much as digits as its factorization.

56033215261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577662110.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 56033215261 in words is "fifty-six billion, thirty-three million, two hundred fifteen thousand, two hundred sixty-one".