56644245 has 48 divisors (see below), whose sum is σ = 117155520. Its totient is φ = 25891488.

The previous prime is 56644243. The next prime is 56644249. The reversal of 56644245 is 54244665.

56644245 is a `hidden beast` number, since 5 + 6 + 644 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 56644245 - 2¹ = 56644243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56644241) 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 47 ways as a sum of consecutive naturals, for example, 2334 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (2440740).

Almost surely, 2^56644245 is an apocalyptic number.

It is an amenable number.

56644245 is an abundant number, since it is smaller than the sum of its proper divisors (60511275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56644245 is a wasteful number, since it uses less digits than its factorization.

56644245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8591 (or 8578 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 56644245 is about 7526.2371076123. The cubic root of 56644245 is about 384.0477845808.

The spelling of 56644245 in words is "fifty-six million, six hundred forty-four thousand, two hundred forty-five".