55510105597 has 2 divisors, whose sum is σ = 55510105598. Its totient is φ = 55510105596.

The previous prime is 55510105579. The next prime is 55510105603. The reversal of 55510105597 is 79550101555.

Together with previous prime (55510105579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55464489081 + 45616516 = 235509^2 + 6754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55510105597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55510105537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755052798 + 27755052799.

It is an arithmetic number, because the mean of its divisors is an integer number (27755052799).

Almost surely, 2^55510105597 is an apocalyptic number.

It is an amenable number.

55510105597 is a deficient number, since it is larger than the sum of its proper divisors (1).

55510105597 is an equidigital number, since it uses as much as digits as its factorization.

55510105597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196875, while the sum is 43.

The spelling of 55510105597 in words is "fifty-five billion, five hundred ten million, one hundred five thousand, five hundred ninety-seven".