56622133 has 2 divisors, whose sum is σ = 56622134. Its totient is φ = 56622132.

The previous prime is 56622119. The next prime is 56622143. The reversal of 56622133 is 33122665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55383364 + 1238769 = 7442^2 + 1113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56622133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56622103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28311066 + 28311067.

It is an arithmetic number, because the mean of its divisors is an integer number (28311067).

Almost surely, 2^56622133 is an apocalyptic number.

It is an amenable number.

56622133 is a deficient number, since it is larger than the sum of its proper divisors (1).

56622133 is an equidigital number, since it uses as much as digits as its factorization.

56622133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 28.

The square root of 56622133 is about 7524.7679698447. The cubic root of 56622133 is about 383.9978049824.

Adding to 56622133 its reverse (33122665), we get a palindrome (89744798).

The spelling of 56622133 in words is "fifty-six million, six hundred twenty-two thousand, one hundred thirty-three".