55057211149 has 2 divisors, whose sum is σ = 55057211150. Its totient is φ = 55057211148.

The previous prime is 55057211093. The next prime is 55057211171. The reversal of 55057211149 is 94111275055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43010612100 + 12046599049 = 207390^2 + 109757^2 .

It is a cyclic number.

It is not a de Polignac number, because 55057211149 - 2⁷ = 55057211021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55057211179) 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, 27528605574 + 27528605575.

It is an arithmetic number, because the mean of its divisors is an integer number (27528605575).

Almost surely, 2^55057211149 is an apocalyptic number.

It is an amenable number.

55057211149 is a deficient number, since it is larger than the sum of its proper divisors (1).

55057211149 is an equidigital number, since it uses as much as digits as its factorization.

55057211149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 55057211149 in words is "fifty-five billion, fifty-seven million, two hundred eleven thousand, one hundred forty-nine".