56407109 has 8 divisors (see below), whose sum is σ = 64210752. Its totient is φ = 49049440.

The previous prime is 56407093. The next prime is 56407111. The reversal of 56407109 is 90170465.

It is a happy number.

56407109 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 56407109 - 2⁴ = 56407093 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 (56407199) 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, 111224 + ... + 111729.

It is an arithmetic number, because the mean of its divisors is an integer number (8026344).

Almost surely, 2^56407109 is an apocalyptic number.

It is an amenable number.

56407109 is a deficient number, since it is larger than the sum of its proper divisors (7803643).

56407109 is a wasteful number, since it uses less digits than its factorization.

56407109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222987.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 56407109 is about 7510.4666299771. The cubic root of 56407109 is about 383.5111078808.

The spelling of 56407109 in words is "fifty-six million, four hundred seven thousand, one hundred nine".