56312243 has 4 divisors (see below), whose sum is σ = 60643968. Its totient is φ = 51980520.

The previous prime is 56312239. The next prime is 56312293. The reversal of 56312243 is 34221365.

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 56312243 - 2² = 56312239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56312293) 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, 2165843 + ... + 2165868.

It is an arithmetic number, because the mean of its divisors is an integer number (15160992).

Almost surely, 2^56312243 is an apocalyptic number.

56312243 is a deficient number, since it is larger than the sum of its proper divisors (4331725).

56312243 is a wasteful number, since it uses less digits than its factorization.

56312243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331724.

The product of its digits is 4320, while the sum is 26.

The square root of 56312243 is about 7504.1483860595. The cubic root of 56312243 is about 383.2959897249.

The spelling of 56312243 in words is "fifty-six million, three hundred twelve thousand, two hundred forty-three".