55447275267311 has 2 divisors, whose sum is σ = 55447275267312. Its totient is φ = 55447275267310.

The previous prime is 55447275267281. The next prime is 55447275267337. The reversal of 55447275267311 is 11376257274455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55447275267311 - 2¹⁰ = 55447275266287 is a prime.

It is a super-3 number, since 3×55447275267311³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55447275267911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27723637633655 + 27723637633656.

It is an arithmetic number, because the mean of its divisors is an integer number (27723637633656).

Almost surely, 2^{55447275267311} is an apocalyptic number.

55447275267311 is a deficient number, since it is larger than the sum of its proper divisors (1).

55447275267311 is an equidigital number, since it uses as much as digits as its factorization.

55447275267311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392000, while the sum is 59.

The spelling of 55447275267311 in words is "fifty-five trillion, four hundred forty-seven billion, two hundred seventy-five million, two hundred sixty-seven thousand, three hundred eleven".