56727029 has 4 divisors (see below), whose sum is σ = 57040620. Its totient is φ = 56413440.

The previous prime is 56726983. The next prime is 56727043. The reversal of 56727029 is 92072765.

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 18472804 + 38254225 = 4298^2 + 6185^2 .

It is a cyclic number.

It is not a de Polignac number, because 56727029 - 2¹² = 56722933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56726983 and 56727001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56727089) 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, 156524 + ... + 156885.

It is an arithmetic number, because the mean of its divisors is an integer number (14260155).

Almost surely, 2^56727029 is an apocalyptic number.

It is an amenable number.

56727029 is a deficient number, since it is larger than the sum of its proper divisors (313591).

56727029 is a wasteful number, since it uses less digits than its factorization.

56727029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313590.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 56727029 is about 7531.7347935253. The cubic root of 56727029 is about 384.2347852559.

The spelling of 56727029 in words is "fifty-six million, seven hundred twenty-seven thousand, twenty-nine".