56133221243 has 4 divisors (see below), whose sum is σ = 61236241368. Its totient is φ = 51030201120.

The previous prime is 56133221231. The next prime is 56133221327. The reversal of 56133221243 is 34212233165.

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

It is a cyclic number.

It is not a de Polignac number, because 56133221243 - 2⁴ = 56133221227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56133221203) 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, 2551510046 + ... + 2551510067.

It is an arithmetic number, because the mean of its divisors is an integer number (15309060342).

Almost surely, 2^56133221243 is an apocalyptic number.

56133221243 is a deficient number, since it is larger than the sum of its proper divisors (5103020125).

56133221243 is a wasteful number, since it uses less digits than its factorization.

56133221243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103020124.

The product of its digits is 25920, while the sum is 32.

The spelling of 56133221243 in words is "fifty-six billion, one hundred thirty-three million, two hundred twenty-one thousand, two hundred forty-three".