56346909 has 4 divisors (see below), whose sum is σ = 75129216. Its totient is φ = 37564604.

The previous prime is 56346889. The next prime is 56346911. The reversal of 56346909 is 90964365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56346909 - 2⁷ = 56346781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56346709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9391149 + ... + 9391154.

It is an arithmetic number, because the mean of its divisors is an integer number (18782304).

Almost surely, 2^56346909 is an apocalyptic number.

It is an amenable number.

56346909 is a deficient number, since it is larger than the sum of its proper divisors (18782307).

56346909 is a wasteful number, since it uses less digits than its factorization.

56346909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18782306.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 56346909 is about 7506.4578197709. The cubic root of 56346909 is about 383.3746263436.

The spelling of 56346909 in words is "fifty-six million, three hundred forty-six thousand, nine hundred nine".