56994345 has 48 divisors (see below), whose sum is σ = 105131520. Its totient is φ = 28499328.

The previous prime is 56994317. The next prime is 56994347. The reversal of 56994345 is 54349965.

56994345 is a `hidden beast` number, since 569 + 9 + 43 + 45 = 666.

56994345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-56994345 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56994345.

It is not an unprimeable number, because it can be changed into a prime (56994347) 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 47 ways as a sum of consecutive naturals, for example, 54336 + ... + 55374.

It is an arithmetic number, because the mean of its divisors is an integer number (2190240).

Almost surely, 2^56994345 is an apocalyptic number.

It is an amenable number.

56994345 is a deficient number, since it is larger than the sum of its proper divisors (48137175).

56994345 is a wasteful number, since it uses less digits than its factorization.

56994345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1123 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 56994345 is about 7549.4599144575. The cubic root of 56994345 is about 384.8373856460.

The spelling of 56994345 in words is "fifty-six million, nine hundred ninety-four thousand, three hundred forty-five".