56243968 has 36 divisors (see below), whose sum is σ = 122480568. Its totient is φ = 25564160.

The previous prime is 56243927. The next prime is 56243969. The reversal of 56243968 is 86934265.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56243969) 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 3 ways as a sum of consecutive naturals, for example, 7171 + ... + 12802.

It is an arithmetic number, because the mean of its divisors is an integer number (3402238).

Almost surely, 2^56243968 is an apocalyptic number.

It is an amenable number.

56243968 is an abundant number, since it is smaller than the sum of its proper divisors (66236600).

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

56243968 is a wasteful number, since it uses less digits than its factorization.

56243968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20000 (or 19986 counting only the distinct ones).

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

The square root of 56243968 is about 7499.5978558853. The cubic root of 56243968 is about 383.1410197709.

The spelling of 56243968 in words is "fifty-six million, two hundred forty-three thousand, nine hundred sixty-eight".