56225560277 has 2 divisors, whose sum is σ = 56225560278. Its totient is φ = 56225560276.

The previous prime is 56225560273. The next prime is 56225560319. The reversal of 56225560277 is 77206552265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35708149156 + 20517411121 = 188966^2 + 143239^2 .

It is a cyclic number.

It is not a de Polignac number, because 56225560277 - 2² = 56225560273 is a prime.

It is a super-2 number, since 2×56225560277² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56225560273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112780138 + 28112780139.

It is an arithmetic number, because the mean of its divisors is an integer number (28112780139).

Almost surely, 2^56225560277 is an apocalyptic number.

It is an amenable number.

56225560277 is a deficient number, since it is larger than the sum of its proper divisors (1).

56225560277 is an equidigital number, since it uses as much as digits as its factorization.

56225560277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 47.

The spelling of 56225560277 in words is "fifty-six billion, two hundred twenty-five million, five hundred sixty thousand, two hundred seventy-seven".