55344556523551 has 2 divisors, whose sum is σ = 55344556523552. Its totient is φ = 55344556523550.

The previous prime is 55344556523519. The next prime is 55344556523611. The reversal of 55344556523551 is 15532565544355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55344556523551 - 2⁵ = 55344556523519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55344556523951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672278261775 + 27672278261776.

It is an arithmetic number, because the mean of its divisors is an integer number (27672278261776).

Almost surely, 2^{55344556523551} is an apocalyptic number.

55344556523551 is a deficient number, since it is larger than the sum of its proper divisors (1).

55344556523551 is an equidigital number, since it uses as much as digits as its factorization.

55344556523551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 135000000, while the sum is 58.

The spelling of 55344556523551 in words is "fifty-five trillion, three hundred forty-four billion, five hundred fifty-six million, five hundred twenty-three thousand, five hundred fifty-one".