56743242 has 16 divisors (see below), whose sum is σ = 113998080. Its totient is φ = 18829152.

The previous prime is 56743213. The next prime is 56743249. The reversal of 56743242 is 24234765.

56743242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56743249) 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 in 7 ways as a sum of consecutive naturals, for example, 19867 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (7124880).

Almost surely, 2^56743242 is an apocalyptic number.

56743242 is an abundant number, since it is smaller than the sum of its proper divisors (57254838).

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

56743242 is a wasteful number, since it uses less digits than its factorization.

56743242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42637.

The product of its digits is 40320, while the sum is 33.

The square root of 56743242 is about 7532.8110290913. The cubic root of 56743242 is about 384.2713874735.

The spelling of 56743242 in words is "fifty-six million, seven hundred forty-three thousand, two hundred forty-two".