56284089 has 4 divisors (see below), whose sum is σ = 75045456. Its totient is φ = 37522724.

The previous prime is 56284079. The next prime is 56284091. The reversal of 56284089 is 98048265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56284089 - 2⁴ = 56284073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56284089.

It is not an unprimeable number, because it can be changed into a prime (56284009) 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, 9380679 + ... + 9380684.

It is an arithmetic number, because the mean of its divisors is an integer number (18761364).

Almost surely, 2^56284089 is an apocalyptic number.

It is an amenable number.

56284089 is a deficient number, since it is larger than the sum of its proper divisors (18761367).

56284089 is a wasteful number, since it uses less digits than its factorization.

56284089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761366.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 56284089 is about 7502.2722557902. The cubic root of 56284089 is about 383.2321012249.

The spelling of 56284089 in words is "fifty-six million, two hundred eighty-four thousand, eighty-nine".