55334832109 has 2 divisors, whose sum is σ = 55334832110. Its totient is φ = 55334832108.

The previous prime is 55334832083. The next prime is 55334832151. The reversal of 55334832109 is 90123843355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36269298025 + 19065534084 = 190445^2 + 138078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55334832109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55334632109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667416054 + 27667416055.

It is an arithmetic number, because the mean of its divisors is an integer number (27667416055).

Almost surely, 2^55334832109 is an apocalyptic number.

It is an amenable number.

55334832109 is a deficient number, since it is larger than the sum of its proper divisors (1).

55334832109 is an equidigital number, since it uses as much as digits as its factorization.

55334832109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 55334832109 in words is "fifty-five billion, three hundred thirty-four million, eight hundred thirty-two thousand, one hundred nine".