56306442 has 16 divisors (see below), whose sum is σ = 113111712. Its totient is φ = 18685680.

The previous prime is 56306441. The next prime is 56306449. The reversal of 56306442 is 24460365.

56306442 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 (56306441) 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, 19309 + ... + 22032.

It is an arithmetic number, because the mean of its divisors is an integer number (7069482).

Almost surely, 2^56306442 is an apocalyptic number.

56306442 is an abundant number, since it is smaller than the sum of its proper divisors (56805270).

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

56306442 is a wasteful number, since it uses less digits than its factorization.

56306442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41573.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 56306442 is about 7503.7618565623. The cubic root of 56306442 is about 383.2828275404.

The spelling of 56306442 in words is "fifty-six million, three hundred six thousand, four hundred forty-two".