56662243 has 12 divisors (see below), whose sum is σ = 63345240. Its totient is φ = 50631680.

The previous prime is 56662183. The next prime is 56662273. The reversal of 56662243 is 34226665.

It is a de Polignac number, because none of the positive numbers 2^k-56662243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56662199 and 56662208.

It is not an unprimeable number, because it can be changed into a prime (56662273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3171 + ... + 11107.

It is an arithmetic number, because the mean of its divisors is an integer number (5278770).

Almost surely, 2^56662243 is an apocalyptic number.

56662243 is a deficient number, since it is larger than the sum of its proper divisors (6682997).

56662243 is a wasteful number, since it uses less digits than its factorization.

56662243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018 (or 8007 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 56662243 is about 7527.4326964776. The cubic root of 56662243 is about 384.0884557327.

It can be divided in two parts, 566622 and 43, that added together give a palindrome (566665).

The spelling of 56662243 in words is "fifty-six million, six hundred sixty-two thousand, two hundred forty-three".