55422332249 has 2 divisors, whose sum is σ = 55422332250. Its totient is φ = 55422332248.

The previous prime is 55422332243. The next prime is 55422332261. The reversal of 55422332249 is 94223322455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46847572249 + 8574760000 = 216443^2 + 92600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55422332249 is a prime.

It is not a weakly prime, because it can be changed into another prime (55422332243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27711166124 + 27711166125.

It is an arithmetic number, because the mean of its divisors is an integer number (27711166125).

Almost surely, 2^55422332249 is an apocalyptic number.

It is an amenable number.

55422332249 is a deficient number, since it is larger than the sum of its proper divisors (1).

55422332249 is an equidigital number, since it uses as much as digits as its factorization.

55422332249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 41.

The spelling of 55422332249 in words is "fifty-five billion, four hundred twenty-two million, three hundred thirty-two thousand, two hundred forty-nine".