56863249 has 4 divisors (see below), whose sum is σ = 60208164. Its totient is φ = 53518336.

The previous prime is 56863211. The next prime is 56863253. The reversal of 56863249 is 94236865.

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 16769025 + 40094224 = 4095^2 + 6332^2 .

It is a cyclic number.

It is not a de Polignac number, because 56863249 - 2⁹ = 56862737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56863259) 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, 1672432 + ... + 1672465.

It is an arithmetic number, because the mean of its divisors is an integer number (15052041).

Almost surely, 2^56863249 is an apocalyptic number.

It is an amenable number.

56863249 is a deficient number, since it is larger than the sum of its proper divisors (3344915).

56863249 is a wasteful number, since it uses less digits than its factorization.

56863249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344914.

The product of its digits is 311040, while the sum is 43.

The square root of 56863249 is about 7540.7724405395. The cubic root of 56863249 is about 384.5420968596.

The spelling of 56863249 in words is "fifty-six million, eight hundred sixty-three thousand, two hundred forty-nine".