56500245377 has 2 divisors, whose sum is σ = 56500245378. Its totient is φ = 56500245376.

The previous prime is 56500245359. The next prime is 56500245401. The reversal of 56500245377 is 77354200565.

56500245377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56268109681 + 232135696 = 237209^2 + 15236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56500245377 is a prime.

It is a super-2 number, since 2×56500245377² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56500245677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250122688 + 28250122689.

It is an arithmetic number, because the mean of its divisors is an integer number (28250122689).

Almost surely, 2^56500245377 is an apocalyptic number.

It is an amenable number.

56500245377 is a deficient number, since it is larger than the sum of its proper divisors (1).

56500245377 is an equidigital number, since it uses as much as digits as its factorization.

56500245377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 56500245377 in words is "fifty-six billion, five hundred million, two hundred forty-five thousand, three hundred seventy-seven".