56587746 has 8 divisors (see below), whose sum is σ = 113175504. Its totient is φ = 18862580.

The previous prime is 56587733. The next prime is 56587753. The reversal of 56587746 is 64778565.

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

56587746 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56587695 and 56587704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4715640 + ... + 4715651.

It is an arithmetic number, because the mean of its divisors is an integer number (14146938).

Almost surely, 2^56587746 is an apocalyptic number.

56587746 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56587746 is a wasteful number, since it uses less digits than its factorization.

56587746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9431296.

The product of its digits is 1411200, while the sum is 48.

The square root of 56587746 is about 7522.4827018744. The cubic root of 56587746 is about 383.9200544292.

The spelling of 56587746 in words is "fifty-six million, five hundred eighty-seven thousand, seven hundred forty-six".