56271906 has 24 divisors (see below), whose sum is σ = 122065164. Its totient is φ = 18735360.

The previous prime is 56271889. The next prime is 56271947. The reversal of 56271906 is 60917265.

56271906 is a `hidden beast` number, since 562 + 7 + 1 + 90 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54154881 + 2117025 = 7359^2 + 1455^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23350 + ... + 25646.

Almost surely, 2^56271906 is an apocalyptic number.

56271906 is an abundant number, since it is smaller than the sum of its proper divisors (65793258).

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

56271906 is a wasteful number, since it uses less digits than its factorization.

56271906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3663 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 56271906 is about 7501.4602578431. The cubic root of 56271906 is about 383.2044483323.

The spelling of 56271906 in words is "fifty-six million, two hundred seventy-one thousand, nine hundred six".