56426011 has 2 divisors, whose sum is σ = 56426012. Its totient is φ = 56426010.

The previous prime is 56426003. The next prime is 56426033. The reversal of 56426011 is 11062465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56426011 - 2³ = 56426003 is a prime.

It is not a weakly prime, because it can be changed into another prime (56426081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28213005 + 28213006.

It is an arithmetic number, because the mean of its divisors is an integer number (28213006).

Almost surely, 2^56426011 is an apocalyptic number.

56426011 is a deficient number, since it is larger than the sum of its proper divisors (1).

56426011 is an equidigital number, since it uses as much as digits as its factorization.

56426011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56426011 is about 7511.7249017786. The cubic root of 56426011 is about 383.5539412370.

Adding to 56426011 its reverse (11062465), we get a palindrome (67488476).

The spelling of 56426011 in words is "fifty-six million, four hundred twenty-six thousand, eleven".