56122205 has 8 divisors (see below), whose sum is σ = 67452504. Its totient is φ = 44827200.

The previous prime is 56122169. The next prime is 56122211. The reversal of 56122205 is 50222165.

It can be written as a sum of positive squares in 4 ways, for example, as 29019769 + 27102436 = 5387^2 + 5206^2 .

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

It is not a de Polignac number, because 56122205 - 2⁶ = 56122141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5186 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (8431563).

Almost surely, 2^56122205 is an apocalyptic number.

It is an amenable number.

56122205 is a deficient number, since it is larger than the sum of its proper divisors (11330299).

56122205 is a wasteful number, since it uses less digits than its factorization.

56122205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17647.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56122205 is about 7491.4754888473. The cubic root of 56122205 is about 382.8643316907.

The spelling of 56122205 in words is "fifty-six million, one hundred twenty-two thousand, two hundred five".