56020786 has 8 divisors (see below), whose sum is σ = 84232044. Its totient is φ = 27943440.

The previous prime is 56020781. The next prime is 56020793. The reversal of 56020786 is 68702065.

It can be written as a sum of positive squares in 2 ways, for example, as 55875625 + 145161 = 7475^2 + 381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (56020781) 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, 32425 + ... + 34108.

Almost surely, 2^56020786 is an apocalyptic number.

56020786 is a deficient number, since it is larger than the sum of its proper divisors (28211258).

56020786 is a wasteful number, since it uses less digits than its factorization.

56020786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66956.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56020786 is about 7484.7034677401. The cubic root of 56020786 is about 382.6335666366.

The spelling of 56020786 in words is "fifty-six million, twenty thousand, seven hundred eighty-six".