56450423 has 4 divisors (see below), whose sum is σ = 56466960. Its totient is φ = 56433888.

The previous prime is 56450413. The next prime is 56450447. The reversal of 56450423 is 32405465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56450423 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 (56450413) 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, 1043 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (14116740).

Almost surely, 2^56450423 is an apocalyptic number.

56450423 is a deficient number, since it is larger than the sum of its proper divisors (16537).

56450423 is a wasteful number, since it uses less digits than its factorization.

56450423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16536.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 56450423 is about 7513.3496524520. The cubic root of 56450423 is about 383.6092465159.

Adding to 56450423 its reverse (32405465), we get a palindrome (88855888).

The spelling of 56450423 in words is "fifty-six million, four hundred fifty thousand, four hundred twenty-three".