56122669 has 2 divisors, whose sum is σ = 56122670. Its totient is φ = 56122668.

The previous prime is 56122667. The next prime is 56122681. The reversal of 56122669 is 96622165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38900169 + 17222500 = 6237^2 + 4150^2 .

It is a cyclic number.

It is not a de Polignac number, because 56122669 - 2¹ = 56122667 is a prime.

It is a super-2 number, since 2×56122669² = 6299507951367122, which contains 22 as substring.

Together with 56122667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56122667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28061334 + 28061335.

It is an arithmetic number, because the mean of its divisors is an integer number (28061335).

Almost surely, 2^56122669 is an apocalyptic number.

It is an amenable number.

56122669 is a deficient number, since it is larger than the sum of its proper divisors (1).

56122669 is an equidigital number, since it uses as much as digits as its factorization.

56122669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 56122669 is about 7491.5064573155. The cubic root of 56122669 is about 382.8653868201.

It can be divided in two parts, 5612 and 2669, that added together give a square (8281 = 91²).

The spelling of 56122669 in words is "fifty-six million, one hundred twenty-two thousand, six hundred sixty-nine".