56807213 has 8 divisors (see below), whose sum is σ = 57783936. Its totient is φ = 55836000.

The previous prime is 56807197. The next prime is 56807297. The reversal of 56807213 is 31270865.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 56807213 - 2⁴ = 56807197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56807213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56807713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22988 + ... + 25338.

It is an arithmetic number, because the mean of its divisors is an integer number (7222992).

Almost surely, 2^56807213 is an apocalyptic number.

It is an amenable number.

56807213 is a deficient number, since it is larger than the sum of its proper divisors (976723).

56807213 is a wasteful number, since it uses less digits than its factorization.

56807213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 56807213 is about 7537.0559902392. The cubic root of 56807213 is about 384.4157394235.

The spelling of 56807213 in words is "fifty-six million, eight hundred seven thousand, two hundred thirteen".