56170069 has 4 divisors (see below), whose sum is σ = 56939596. Its totient is φ = 55400544.

The previous prime is 56170063. The next prime is 56170073. The reversal of 56170069 is 96007165.

56170069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96007165 = 5 ⋅19201433.

It can be written as a sum of positive squares in 2 ways, for example, as 48469444 + 7700625 = 6962^2 + 2775^2 .

It is a cyclic number.

It is not a de Polignac number, because 56170069 - 2¹⁹ = 55645781 is a prime.

It is a super-2 number, since 2×56170069² = 6310153302929522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56170063) 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 3 ways as a sum of consecutive naturals, for example, 384654 + ... + 384799.

It is an arithmetic number, because the mean of its divisors is an integer number (14234899).

Almost surely, 2^56170069 is an apocalyptic number.

It is an amenable number.

56170069 is a deficient number, since it is larger than the sum of its proper divisors (769527).

56170069 is an equidigital number, since it uses as much as digits as its factorization.

56170069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769526.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 56170069 is about 7494.6693722939. The cubic root of 56170069 is about 382.9731431151.

The spelling of 56170069 in words is "fifty-six million, one hundred seventy thousand, sixty-nine".