56308849 has 4 divisors (see below), whose sum is σ = 56334564. Its totient is φ = 56283136.

The previous prime is 56308823. The next prime is 56308859. The reversal of 56308849 is 94880365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94880365 = 5 ⋅18976073.

It can be written as a sum of positive squares in 2 ways, for example, as 32718400 + 23590449 = 5720^2 + 4857^2 .

It is a cyclic number.

It is not a de Polignac number, because 56308849 - 2⁵ = 56308817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56308859) 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, 9232 + ... + 14065.

It is an arithmetic number, because the mean of its divisors is an integer number (14083641).

Almost surely, 2^56308849 is an apocalyptic number.

It is an amenable number.

56308849 is a deficient number, since it is larger than the sum of its proper divisors (25715).

56308849 is a wasteful number, since it uses less digits than its factorization.

56308849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25714.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 56308849 is about 7503.9222410683. The cubic root of 56308849 is about 383.2882890151.

The spelling of 56308849 in words is "fifty-six million, three hundred eight thousand, eight hundred forty-nine".