56303443 has 4 divisors (see below), whose sum is σ = 64346800. Its totient is φ = 48260088.

The previous prime is 56303419. The next prime is 56303449. The reversal of 56303443 is 34430365.

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 56303443 - 2⁵ = 56303411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56303449) 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, 4021668 + ... + 4021681.

It is an arithmetic number, because the mean of its divisors is an integer number (16086700).

Almost surely, 2^56303443 is an apocalyptic number.

56303443 is a deficient number, since it is larger than the sum of its proper divisors (8043357).

56303443 is an equidigital number, since it uses as much as digits as its factorization.

56303443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043356.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 56303443 is about 7503.5620208005. The cubic root of 56303443 is about 383.2760226020.

The spelling of 56303443 in words is "fifty-six million, three hundred three thousand, four hundred forty-three".