56433523 has 4 divisors (see below), whose sum is σ = 59753160. Its totient is φ = 53113888.

The previous prime is 56433469. The next prime is 56433527. The reversal of 56433523 is 32533465.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32533465 = 5 ⋅6506693.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56433523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56433527) 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, 1659793 + ... + 1659826.

It is an arithmetic number, because the mean of its divisors is an integer number (14938290).

Almost surely, 2^56433523 is an apocalyptic number.

56433523 is a deficient number, since it is larger than the sum of its proper divisors (3319637).

56433523 is a wasteful number, since it uses less digits than its factorization.

56433523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319636.

The product of its digits is 32400, while the sum is 31.

The square root of 56433523 is about 7512.2249034490. The cubic root of 56433523 is about 383.5709613388.

Adding to 56433523 its reverse (32533465), we get a palindrome (88966988).

The spelling of 56433523 in words is "fifty-six million, four hundred thirty-three thousand, five hundred twenty-three".