55032004997 has 2 divisors, whose sum is σ = 55032004998. Its totient is φ = 55032004996.

The previous prime is 55032004991. The next prime is 55032004999. The reversal of 55032004997 is 79940023055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49368840481 + 5663164516 = 222191^2 + 75254^2 .

It is a cyclic number.

It is not a de Polignac number, because 55032004997 - 2⁶ = 55032004933 is a prime.

Together with 55032004999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55032004991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27516002498 + 27516002499.

It is an arithmetic number, because the mean of its divisors is an integer number (27516002499).

Almost surely, 2^55032004997 is an apocalyptic number.

It is an amenable number.

55032004997 is a deficient number, since it is larger than the sum of its proper divisors (1).

55032004997 is an equidigital number, since it uses as much as digits as its factorization.

55032004997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 55032004997 in words is "fifty-five billion, thirty-two million, four thousand, nine hundred ninety-seven".