56677744051 has 2 divisors, whose sum is σ = 56677744052. Its totient is φ = 56677744050.

The previous prime is 56677744049. The next prime is 56677744061. The reversal of 56677744051 is 15044777665.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56677744051 - 2¹ = 56677744049 is a prime.

It is a super-3 number, since 3×56677744051³ (a number of 33 digits) contains 333 as substring.

Together with 56677744049, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 56677744051.

It is not a weakly prime, because it can be changed into another prime (56677744061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28338872025 + 28338872026.

It is an arithmetic number, because the mean of its divisors is an integer number (28338872026).

Almost surely, 2^56677744051 is an apocalyptic number.

56677744051 is a deficient number, since it is larger than the sum of its proper divisors (1).

56677744051 is an equidigital number, since it uses as much as digits as its factorization.

56677744051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 56677744051 in words is "fifty-six billion, six hundred seventy-seven million, seven hundred forty-four thousand, fifty-one".