56627785 has 4 divisors (see below), whose sum is σ = 67953348. Its totient is φ = 45302224.

The previous prime is 56627761. The next prime is 56627801. The reversal of 56627785 is 58772665.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11751184 + 44876601 = 3428^2 + 6699^2 .

It is a cyclic number.

It is not a de Polignac number, because 56627785 - 2¹⁵ = 56595017 is a prime.

It is a Duffinian number.

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662774 + ... + 5662783.

It is an arithmetic number, because the mean of its divisors is an integer number (16988337).

Almost surely, 2^56627785 is an apocalyptic number.

It is an amenable number.

56627785 is a deficient number, since it is larger than the sum of its proper divisors (11325563).

56627785 is a wasteful number, since it uses less digits than its factorization.

56627785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325562.

The product of its digits is 705600, while the sum is 46.

The square root of 56627785 is about 7525.1435202260. The cubic root of 56627785 is about 384.0105813961.

The spelling of 56627785 in words is "fifty-six million, six hundred twenty-seven thousand, seven hundred eighty-five".