55401291580319 has 2 divisors, whose sum is σ = 55401291580320. Its totient is φ = 55401291580318.

The previous prime is 55401291580307. The next prime is 55401291580321. The reversal of 55401291580319 is 91308519210455.

55401291580319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55401291580319 - 2¹² = 55401291576223 is a prime.

It is a super-2 number, since 2×55401291580319² (a number of 28 digits) contains 22 as substring.

Together with 55401291580321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55401291570319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27700645790159 + 27700645790160.

It is an arithmetic number, because the mean of its divisors is an integer number (27700645790160).

Almost surely, 2^{55401291580319} is an apocalyptic number.

55401291580319 is a deficient number, since it is larger than the sum of its proper divisors (1).

55401291580319 is an equidigital number, since it uses as much as digits as its factorization.

55401291580319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 53.

The spelling of 55401291580319 in words is "fifty-five trillion, four hundred one billion, two hundred ninety-one million, five hundred eighty thousand, three hundred nineteen".