55352440291 has 2 divisors, whose sum is σ = 55352440292. Its totient is φ = 55352440290.

The previous prime is 55352440229. The next prime is 55352440333. The reversal of 55352440291 is 19204425355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55352440291 - 2²⁹ = 54815569379 is a prime.

It is not a weakly prime, because it can be changed into another prime (55352440201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27676220145 + 27676220146.

It is an arithmetic number, because the mean of its divisors is an integer number (27676220146).

Almost surely, 2^55352440291 is an apocalyptic number.

55352440291 is a deficient number, since it is larger than the sum of its proper divisors (1).

55352440291 is an equidigital number, since it uses as much as digits as its factorization.

55352440291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 55352440291 in words is "fifty-five billion, three hundred fifty-two million, four hundred forty thousand, two hundred ninety-one".