56648443 has 16 divisors (see below), whose sum is σ = 62292640. Its totient is φ = 51321600.

The previous prime is 56648419. The next prime is 56648453. The reversal of 56648443 is 34484665.

It is a cyclic number.

It is not a de Polignac number, because 56648443 - 2⁹ = 56647931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56648396 and 56648405.

It is not an unprimeable number, because it can be changed into a prime (56648453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42223 + ... + 43543.

It is an arithmetic number, because the mean of its divisors is an integer number (3893290).

Almost surely, 2^56648443 is an apocalyptic number.

56648443 is a deficient number, since it is larger than the sum of its proper divisors (5644197).

56648443 is a wasteful number, since it uses less digits than its factorization.

56648443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its digits is 276480, while the sum is 40.

The square root of 56648443 is about 7526.5159934727. The cubic root of 56648443 is about 384.0572718216.

The spelling of 56648443 in words is "fifty-six million, six hundred forty-eight thousand, four hundred forty-three".