55422332243 has 2 divisors, whose sum is σ = 55422332244. Its totient is φ = 55422332242.

The previous prime is 55422332197. The next prime is 55422332249. The reversal of 55422332243 is 34223322455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55422332243 - 2²⁴ = 55405555027 is a prime.

It is a super-2 number, since 2×55422332243² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55422332249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27711166121 + 27711166122.

It is an arithmetic number, because the mean of its divisors is an integer number (27711166122).

Almost surely, 2^55422332243 is an apocalyptic number.

55422332243 is a deficient number, since it is larger than the sum of its proper divisors (1).

55422332243 is an equidigital number, since it uses as much as digits as its factorization.

55422332243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 35.

Adding to 55422332243 its reverse (34223322455), we get a palindrome (89645654698).

The spelling of 55422332243 in words is "fifty-five billion, four hundred twenty-two million, three hundred thirty-two thousand, two hundred forty-three".