56505506 has 8 divisors (see below), whose sum is σ = 89219280. Its totient is φ = 26765748.

The previous prime is 56505497. The next prime is 56505517. The reversal of 56505506 is 60550565.

56505506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 743456 + ... + 743531.

It is an arithmetic number, because the mean of its divisors is an integer number (11152410).

Almost surely, 2^56505506 is an apocalyptic number.

56505506 is a deficient number, since it is larger than the sum of its proper divisors (32713774).

56505506 is a wasteful number, since it uses less digits than its factorization.

56505506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487008.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 56505506 is about 7517.0144339359. The cubic root of 56505506 is about 383.7339782593.

The spelling of 56505506 in words is "fifty-six million, five hundred five thousand, five hundred six".