56307745 has 16 divisors (see below), whose sum is σ = 72963072. Its totient is φ = 41469120.

The previous prime is 56307733. The next prime is 56307751. The reversal of 56307745 is 54770365.

It is not a de Polignac number, because 56307745 - 2⁷ = 56307617 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 29160 + ... + 31030.

It is an arithmetic number, because the mean of its divisors is an integer number (4560192).

Almost surely, 2^56307745 is an apocalyptic number.

It is an amenable number.

56307745 is a deficient number, since it is larger than the sum of its proper divisors (16655327).

56307745 is a wasteful number, since it uses less digits than its factorization.

56307745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 56307745 is about 7503.8486791779. The cubic root of 56307745 is about 383.2857840622.

The spelling of 56307745 in words is "fifty-six million, three hundred seven thousand, seven hundred forty-five".