56467989 has 16 divisors (see below), whose sum is σ = 84488640. Its totient is φ = 37270800.

The previous prime is 56467979. The next prime is 56467991. The reversal of 56467989 is 98976465.

56467989 is a `hidden beast` number, since 564 + 6 + 79 + 8 + 9 = 666.

56467989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56467989 - 2⁴ = 56467973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56467969) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7627 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (5280540).

Almost surely, 2^56467989 is an apocalyptic number.

It is an amenable number.

56467989 is a deficient number, since it is larger than the sum of its proper divisors (28020651).

56467989 is a wasteful number, since it uses less digits than its factorization.

56467989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20817 (or 20811 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 56467989 is about 7514.5185474520. The cubic root of 56467989 is about 383.6490323483.

The spelling of 56467989 in words is "fifty-six million, four hundred sixty-seven thousand, nine hundred eighty-nine".