56377357219 has 2 divisors, whose sum is σ = 56377357220. Its totient is φ = 56377357218.

The previous prime is 56377357199. The next prime is 56377357247. The reversal of 56377357219 is 91275377365.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56377357219 - 2¹¹ = 56377355171 is a prime.

It is a super-2 number, since 2×56377357219² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56377357219.

It is not a weakly prime, because it can be changed into another prime (56377357259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28188678609 + 28188678610.

It is an arithmetic number, because the mean of its divisors is an integer number (28188678610).

Almost surely, 2^56377357219 is an apocalyptic number.

56377357219 is a deficient number, since it is larger than the sum of its proper divisors (1).

56377357219 is an equidigital number, since it uses as much as digits as its factorization.

56377357219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8334900, while the sum is 55.

The spelling of 56377357219 in words is "fifty-six billion, three hundred seventy-seven million, three hundred fifty-seven thousand, two hundred nineteen".