56677741331 has 2 divisors, whose sum is σ = 56677741332. Its totient is φ = 56677741330.

The previous prime is 56677741327. The next prime is 56677741333. The reversal of 56677741331 is 13314777665.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56677741331 - 2² = 56677741327 is a prime.

It is a super-2 number, since 2×56677741331² (a number of 22 digits) contains 22 as substring.

Together with 56677741333, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56677741331.

It is not a weakly prime, because it can be changed into another prime (56677741333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28338870665 + 28338870666.

It is an arithmetic number, because the mean of its divisors is an integer number (28338870666).

Almost surely, 2^56677741331 is an apocalyptic number.

56677741331 is a deficient number, since it is larger than the sum of its proper divisors (1).

56677741331 is an equidigital number, since it uses as much as digits as its factorization.

56677741331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 50.

The spelling of 56677741331 in words is "fifty-six billion, six hundred seventy-seven million, seven hundred forty-one thousand, three hundred thirty-one".