55841851393 has 2 divisors, whose sum is σ = 55841851394. Its totient is φ = 55841851392.

The previous prime is 55841851381. The next prime is 55841851397. The reversal of 55841851393 is 39315814855.

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., 34340907969 + 21500943424 = 185313^2 + 146632^2 .

It is a cyclic number.

It is not a de Polignac number, because 55841851393 - 2²⁹ = 55304980481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55841851393.

It is not a weakly prime, because it can be changed into another prime (55841851397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27920925696 + 27920925697.

It is an arithmetic number, because the mean of its divisors is an integer number (27920925697).

Almost surely, 2^55841851393 is an apocalyptic number.

It is an amenable number.

55841851393 is a deficient number, since it is larger than the sum of its proper divisors (1).

55841851393 is an equidigital number, since it uses as much as digits as its factorization.

55841851393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 52.

The spelling of 55841851393 in words is "fifty-five billion, eight hundred forty-one million, eight hundred fifty-one thousand, three hundred ninety-three".