55327372273 has 2 divisors, whose sum is σ = 55327372274. Its totient is φ = 55327372272.

The previous prime is 55327372271. The next prime is 55327372333. The reversal of 55327372273 is 37227372355.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47677595904 + 7649776369 = 218352^2 + 87463^2 .

It is a cyclic number.

It is not a de Polignac number, because 55327372273 - 2¹ = 55327372271 is a prime.

It is a super-2 number, since 2×55327372273² (a number of 22 digits) contains 22 as substring.

Together with 55327372271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55327372271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27663686136 + 27663686137.

It is an arithmetic number, because the mean of its divisors is an integer number (27663686137).

Almost surely, 2^55327372273 is an apocalyptic number.

It is an amenable number.

55327372273 is a deficient number, since it is larger than the sum of its proper divisors (1).

55327372273 is an equidigital number, since it uses as much as digits as its factorization.

55327372273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1852200, while the sum is 46.

The spelling of 55327372273 in words is "fifty-five billion, three hundred twenty-seven million, three hundred seventy-two thousand, two hundred seventy-three".