56434403 has 4 divisors (see below), whose sum is σ = 56512128. Its totient is φ = 56356680.

The previous prime is 56434381. The next prime is 56434429. The reversal of 56434403 is 30443465.

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 56434403 - 2¹⁰ = 56433379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56434303) 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, 37763 + ... + 39228.

It is an arithmetic number, because the mean of its divisors is an integer number (14128032).

Almost surely, 2^56434403 is an apocalyptic number.

56434403 is a deficient number, since it is larger than the sum of its proper divisors (77725).

56434403 is an equidigital number, since it uses as much as digits as its factorization.

56434403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77724.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 56434403 is about 7512.2834744171. The cubic root of 56434403 is about 383.5729550751.

Adding to 56434403 its reverse (30443465), we get a palindrome (86877868).

The spelling of 56434403 in words is "fifty-six million, four hundred thirty-four thousand, four hundred three".