56694909 has 8 divisors (see below), whose sum is σ = 75733600. Its totient is φ = 37726416.

The previous prime is 56694889. The next prime is 56694943. The reversal of 56694909 is 90949665.

It is a happy number.

56694909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56694909 - 2⁸ = 56694653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56694409) 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, 15634 + ... + 18915.

It is an arithmetic number, because the mean of its divisors is an integer number (9466700).

Almost surely, 2^56694909 is an apocalyptic number.

It is an amenable number.

56694909 is a deficient number, since it is larger than the sum of its proper divisors (19038691).

56694909 is a wasteful number, since it uses less digits than its factorization.

56694909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35099.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 56694909 is about 7529.6021807264. The cubic root of 56694909 is about 384.1622510418.

The spelling of 56694909 in words is "fifty-six million, six hundred ninety-four thousand, nine hundred nine".