56409166 has 8 divisors (see below), whose sum is σ = 92305944. Its totient is φ = 25640520.

The previous prime is 56409161. The next prime is 56409169. The reversal of 56409166 is 66190465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56409161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282005 + ... + 1282048.

It is an arithmetic number, because the mean of its divisors is an integer number (11538243).

Almost surely, 2^56409166 is an apocalyptic number.

56409166 is a deficient number, since it is larger than the sum of its proper divisors (35896778).

56409166 is a wasteful number, since it uses less digits than its factorization.

56409166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564066.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 56409166 is about 7510.6035709522. The cubic root of 56409166 is about 383.5157696617.

The spelling of 56409166 in words is "fifty-six million, four hundred nine thousand, one hundred sixty-six".