56636227 has 4 divisors (see below), whose sum is σ = 56681856. Its totient is φ = 56590600.

The previous prime is 56636201. The next prime is 56636249. The reversal of 56636227 is 72263665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72263665 = 5 ⋅14452733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56636227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56636257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20899 + ... + 23452.

It is an arithmetic number, because the mean of its divisors is an integer number (14170464).

Almost surely, 2^56636227 is an apocalyptic number.

56636227 is a deficient number, since it is larger than the sum of its proper divisors (45629).

56636227 is a wasteful number, since it uses less digits than its factorization.

56636227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45628.

The product of its digits is 90720, while the sum is 37.

The square root of 56636227 is about 7525.7044188567. The cubic root of 56636227 is about 384.0296630550.

The spelling of 56636227 in words is "fifty-six million, six hundred thirty-six thousand, two hundred twenty-seven".