56045586 has 16 divisors (see below), whose sum is σ = 112289184. Its totient is φ = 18648864.

The previous prime is 56045581. The next prime is 56045597. The reversal of 56045586 is 68554065.

It is a super-2 number, since 2×56045586² = 6282215420166792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56045581) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4435 + ... + 11478.

It is an arithmetic number, because the mean of its divisors is an integer number (7018074).

Almost surely, 2^56045586 is an apocalyptic number.

56045586 is an abundant number, since it is smaller than the sum of its proper divisors (56243598).

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

56045586 is a wasteful number, since it uses less digits than its factorization.

56045586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16505.

The product of its (nonzero) digits is 144000, while the sum is 39.

The square root of 56045586 is about 7486.3599966873. The cubic root of 56045586 is about 382.6900213515.

The spelling of 56045586 in words is "fifty-six million, forty-five thousand, five hundred eighty-six".