55566275627 has 2 divisors, whose sum is σ = 55566275628. Its totient is φ = 55566275626.

The previous prime is 55566275623. The next prime is 55566275647. The reversal of 55566275627 is 72657266555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55566275627 - 2² = 55566275623 is a prime.

It is a super-2 number, since 2×55566275627² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55566275623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27783137813 + 27783137814.

It is an arithmetic number, because the mean of its divisors is an integer number (27783137814).

Almost surely, 2^55566275627 is an apocalyptic number.

55566275627 is a deficient number, since it is larger than the sum of its proper divisors (1).

55566275627 is an equidigital number, since it uses as much as digits as its factorization.

55566275627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460000, while the sum is 56.

The spelling of 55566275627 in words is "fifty-five billion, five hundred sixty-six million, two hundred seventy-five thousand, six hundred twenty-seven".