56213205 has 8 divisors (see below), whose sum is σ = 89941152. Its totient is φ = 29980368.

The previous prime is 56213159. The next prime is 56213221. The reversal of 56213205 is 50231265.

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

It is not a de Polignac number, because 56213205 - 2⁶ = 56213141 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873759 + ... + 1873788.

It is an arithmetic number, because the mean of its divisors is an integer number (11242644).

Almost surely, 2^56213205 is an apocalyptic number.

It is an amenable number.

56213205 is a deficient number, since it is larger than the sum of its proper divisors (33727947).

56213205 is a wasteful number, since it uses less digits than its factorization.

56213205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747555.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56213205 is about 7497.5465987215. The cubic root of 56213205 is about 383.0711532165.

The spelling of 56213205 in words is "fifty-six million, two hundred thirteen thousand, two hundred five".