56383211 has 4 divisors (see below), whose sum is σ = 56401632. Its totient is φ = 56364792.

The previous prime is 56383199. The next prime is 56383219. The reversal of 56383211 is 11238365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11238365 = 5 ⋅2247673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56383211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56383219) 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, 3395 + ... + 11148.

It is an arithmetic number, because the mean of its divisors is an integer number (14100408).

Almost surely, 2^56383211 is an apocalyptic number.

56383211 is a deficient number, since it is larger than the sum of its proper divisors (18421).

56383211 is a wasteful number, since it uses less digits than its factorization.

56383211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18420.

The product of its digits is 4320, while the sum is 29.

The square root of 56383211 is about 7508.8754817216. The cubic root of 56383211 is about 383.4569395129.

It can be divided in two parts, 5 and 6383211, that multiplied together give a triangular number (31916055 = T₇₉₈₉).

The spelling of 56383211 in words is "fifty-six million, three hundred eighty-three thousand, two hundred eleven".