56622456906 has 16 divisors (see below), whose sum is σ = 117149911200. Its totient is φ = 18223319408.

The previous prime is 56622456811. The next prime is 56622456929. The reversal of 56622456906 is 60965422665.

It is a super-2 number, since 2×56622456906² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 162708036 + ... + 162708383.

It is an arithmetic number, because the mean of its divisors is an integer number (7321869450).

Almost surely, 2^56622456906 is an apocalyptic number.

56622456906 is an abundant number, since it is smaller than the sum of its proper divisors (60527454294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56622456906 is a wasteful number, since it uses less digits than its factorization.

56622456906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325416453.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 56622456906 in words is "fifty-six billion, six hundred twenty-two million, four hundred fifty-six thousand, nine hundred six".