56622830 has 32 divisors (see below), whose sum is σ = 113781888. Its totient is φ = 20109600.

The previous prime is 56622829. The next prime is 56622851. The reversal of 56622830 is 3822665.

It is a super-2 number, since 2×56622830² = 6412289754417800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1256 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (3555684).

Almost surely, 2^56622830 is an apocalyptic number.

56622830 is an abundant number, since it is smaller than the sum of its proper divisors (57159058).

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

56622830 is a wasteful number, since it uses less digits than its factorization.

56622830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12032.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 56622830 is about 7524.8142834225. The cubic root of 56622830 is about 383.9993806052. Note that the first 3 decimals are identical.

The spelling of 56622830 in words is "fifty-six million, six hundred twenty-two thousand, eight hundred thirty".