56644958 has 4 divisors (see below), whose sum is σ = 84967440. Its totient is φ = 28322478.

The previous prime is 56644957. The next prime is 56644963. The reversal of 56644958 is 85944665.

56644958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85944665 = 5 ⋅17188933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56644957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14161238 + ... + 14161241.

It is an arithmetic number, because the mean of its divisors is an integer number (21241860).

Almost surely, 2^56644958 is an apocalyptic number.

56644958 is a deficient number, since it is larger than the sum of its proper divisors (28322482).

56644958 is a wasteful number, since it uses less digits than its factorization.

56644958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28322481.

The product of its digits is 1036800, while the sum is 47.

The square root of 56644958 is about 7526.2844750913. The cubic root of 56644958 is about 384.0493959532.

The spelling of 56644958 in words is "fifty-six million, six hundred forty-four thousand, nine hundred fifty-eight".