56122361 has 2 divisors, whose sum is σ = 56122362. Its totient is φ = 56122360.

The previous prime is 56122351. The next prime is 56122373. The reversal of 56122361 is 16322165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55785961 + 336400 = 7469^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 56122361 - 2¹⁴ = 56105977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56122361.

It is not a weakly prime, because it can be changed into another prime (56122351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28061180 + 28061181.

It is an arithmetic number, because the mean of its divisors is an integer number (28061181).

Almost surely, 2^56122361 is an apocalyptic number.

It is an amenable number.

56122361 is a deficient number, since it is larger than the sum of its proper divisors (1).

56122361 is an equidigital number, since it uses as much as digits as its factorization.

56122361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 56122361 is about 7491.4859006742. The cubic root of 56122361 is about 382.8646864331.

It can be divided in two parts, 561 and 22361, that multiplied together give a palindrome (12544521).

The spelling of 56122361 in words is "fifty-six million, one hundred twenty-two thousand, three hundred sixty-one".