27226405553 has 2 divisors, whose sum is σ = 27226405554. Its totient is φ = 27226405552.

The previous prime is 27226405543. The next prime is 27226405561. The reversal of 27226405553 is 35550462272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24171853729 + 3054551824 = 155473^2 + 55268^2 .

It is a cyclic number.

It is not a de Polignac number, because 27226405553 - 2²⁸ = 26957970097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27226405553.

It is not a weakly prime, because it can be changed into another prime (27226405543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13613202776 + 13613202777.

It is an arithmetic number, because the mean of its divisors is an integer number (13613202777).

Almost surely, 2^27226405553 is an apocalyptic number.

It is an amenable number.

27226405553 is a deficient number, since it is larger than the sum of its proper divisors (1).

27226405553 is an equidigital number, since it uses as much as digits as its factorization.

27226405553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 41.

The spelling of 27226405553 in words is "twenty-seven billion, two hundred twenty-six million, four hundred five thousand, five hundred fifty-three".