56431206 has 48 divisors (see below), whose sum is σ = 132241200. Its totient is φ = 17288640.

The previous prime is 56431189. The next prime is 56431223. The reversal of 56431206 is 60213465.

56431206 is a `hidden beast` number, since 5 + 643 + 12 + 0 + 6 = 666.

56431206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56431189) and next prime (56431223).

It is a super-2 number, since 2×56431206² = 6368962021228872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56431206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81321 + ... + 82011.

It is an arithmetic number, because the mean of its divisors is an integer number (2755025).

Almost surely, 2^56431206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56431206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66120600).

56431206 is an abundant number, since it is smaller than the sum of its proper divisors (75809994).

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

56431206 is a wasteful number, since it uses less digits than its factorization.

56431206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56431206 is about 7512.0706865684. The cubic root of 56431206 is about 383.5657118226.

The spelling of 56431206 in words is "fifty-six million, four hundred thirty-one thousand, two hundred six".