55512751597 has 2 divisors, whose sum is σ = 55512751598. Its totient is φ = 55512751596.

The previous prime is 55512751477. The next prime is 55512751607. The reversal of 55512751597 is 79515721555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51190872516 + 4321879081 = 226254^2 + 65741^2 .

It is a cyclic number.

It is not a de Polignac number, because 55512751597 - 2¹¹ = 55512749549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55512751097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756375798 + 27756375799.

It is an arithmetic number, because the mean of its divisors is an integer number (27756375799).

Almost surely, 2^55512751597 is an apocalyptic number.

It is an amenable number.

55512751597 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512751597 is an equidigital number, since it uses as much as digits as its factorization.

55512751597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2756250, while the sum is 52.

The spelling of 55512751597 in words is "fifty-five billion, five hundred twelve million, seven hundred fifty-one thousand, five hundred ninety-seven".