56247841 has 4 divisors (see below), whose sum is σ = 60574612. Its totient is φ = 51921072.

The previous prime is 56247839. The next prime is 56247853. The reversal of 56247841 is 14874265.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34857216 + 21390625 = 5904^2 + 4625^2 .

It is a cyclic number.

It is not a de Polignac number, because 56247841 - 2¹ = 56247839 is a prime.

It is a super-2 number, since 2×56247841² = 6327639234322562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56247841.

It is not an unprimeable number, because it can be changed into a prime (56241841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163366 + ... + 2163391.

It is an arithmetic number, because the mean of its divisors is an integer number (15143653).

Almost surely, 2^56247841 is an apocalyptic number.

It is an amenable number.

56247841 is a deficient number, since it is larger than the sum of its proper divisors (4326771).

56247841 is a wasteful number, since it uses less digits than its factorization.

56247841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326770.

The product of its digits is 53760, while the sum is 37.

The square root of 56247841 is about 7499.8560652855. The cubic root of 56247841 is about 383.1498140242.

The spelling of 56247841 in words is "fifty-six million, two hundred forty-seven thousand, eight hundred forty-one".