56207071 has 4 divisors (see below), whose sum is σ = 56263144. Its totient is φ = 56151000.

The previous prime is 56207059. The next prime is 56207089. The reversal of 56207071 is 17070265.

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

It is a cyclic number.

It is not a de Polignac number, because 56207071 - 2²⁵ = 22652639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56207051) by changing a digit.

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, 26505 + ... + 28546.

It is an arithmetic number, because the mean of its divisors is an integer number (14065786).

Almost surely, 2^56207071 is an apocalyptic number.

56207071 is a deficient number, since it is larger than the sum of its proper divisors (56073).

56207071 is a wasteful number, since it uses less digits than its factorization.

56207071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56072.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 56207071 is about 7497.1375204140. The cubic root of 56207071 is about 383.0572191006.

The spelling of 56207071 in words is "fifty-six million, two hundred seven thousand, seventy-one".