56744243 has 12 divisors (see below), whose sum is σ = 60241608. Its totient is φ = 53433600.

The previous prime is 56744231. The next prime is 56744263. The reversal of 56744243 is 34244765.

It is not a de Polignac number, because 56744243 - 2⁴ = 56744227 is a prime.

It is a super-2 number, since 2×56744243² = 6439818227286098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56744263) 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, 34643 + ... + 36243.

It is an arithmetic number, because the mean of its divisors is an integer number (5020134).

Almost surely, 2^56744243 is an apocalyptic number.

56744243 is a deficient number, since it is larger than the sum of its proper divisors (3497365).

56744243 is a wasteful number, since it uses less digits than its factorization.

56744243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714 (or 1691 counting only the distinct ones).

The product of its digits is 80640, while the sum is 35.

The square root of 56744243 is about 7532.8774714580. The cubic root of 56744243 is about 384.2736470871.

The spelling of 56744243 in words is "fifty-six million, seven hundred forty-four thousand, two hundred forty-three".