55332343397 has 2 divisors, whose sum is σ = 55332343398. Its totient is φ = 55332343396.

The previous prime is 55332343307. The next prime is 55332343499. The reversal of 55332343397 is 79334323355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30835711201 + 24496632196 = 175601^2 + 156514^2 .

It is a cyclic number.

It is not a de Polignac number, because 55332343397 - 2⁸ = 55332343141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55332343307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666171698 + 27666171699.

It is an arithmetic number, because the mean of its divisors is an integer number (27666171699).

Almost surely, 2^55332343397 is an apocalyptic number.

It is an amenable number.

55332343397 is a deficient number, since it is larger than the sum of its proper divisors (1).

55332343397 is an equidigital number, since it uses as much as digits as its factorization.

55332343397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3061800, while the sum is 47.

The spelling of 55332343397 in words is "fifty-five billion, three hundred thirty-two million, three hundred forty-three thousand, three hundred ninety-seven".