56126491 has 2 divisors, whose sum is σ = 56126492. Its totient is φ = 56126490.

The previous prime is 56126467. The next prime is 56126519. The reversal of 56126491 is 19462165.

56126491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56126491 - 2⁵ = 56126459 is a prime.

It is not a weakly prime, because it can be changed into another prime (56126591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28063245 + 28063246.

It is an arithmetic number, because the mean of its divisors is an integer number (28063246).

Almost surely, 2^56126491 is an apocalyptic number.

56126491 is a deficient number, since it is larger than the sum of its proper divisors (1).

56126491 is an equidigital number, since it uses as much as digits as its factorization.

56126491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 56126491 is about 7491.7615418538. The cubic root of 56126491 is about 382.8740777722.

The spelling of 56126491 in words is "fifty-six million, one hundred twenty-six thousand, four hundred ninety-one".