56980089 has 12 divisors (see below), whose sum is σ = 82372836. Its totient is φ = 37955232.

The previous prime is 56980087. The next prime is 56980103. The reversal of 56980089 is 98008965.

56980089 is a `hidden beast` number, since 569 + 8 + 0 + 0 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49112064 + 7868025 = 7008^2 + 2805^2 .

It is not a de Polignac number, because 56980089 - 2¹ = 56980087 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56980087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15207 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (6864403).

Almost surely, 2^56980089 is an apocalyptic number.

It is an amenable number.

56980089 is a deficient number, since it is larger than the sum of its proper divisors (25392747).

56980089 is a wasteful number, since it uses less digits than its factorization.

56980089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5256 (or 5253 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 56980089 is about 7548.5156819073. The cubic root of 56980089 is about 384.8052965019.

The spelling of 56980089 in words is "fifty-six million, nine hundred eighty thousand, eighty-nine".