56044411331 has 2 divisors, whose sum is σ = 56044411332. Its totient is φ = 56044411330.

The previous prime is 56044411307. The next prime is 56044411333. The reversal of 56044411331 is 13311444065.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56044411331 - 2²⁶ = 55977302467 is a prime.

It is a super-2 number, since 2×56044411331² (a number of 22 digits) contains 22 as substring.

Together with 56044411333, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56044411333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28022205665 + 28022205666.

It is an arithmetic number, because the mean of its divisors is an integer number (28022205666).

Almost surely, 2^56044411331 is an apocalyptic number.

56044411331 is a deficient number, since it is larger than the sum of its proper divisors (1).

56044411331 is an equidigital number, since it uses as much as digits as its factorization.

56044411331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 56044411331 its reverse (13311444065), we get a palindrome (69355855396).

The spelling of 56044411331 in words is "fifty-six billion, forty-four million, four hundred eleven thousand, three hundred thirty-one".