55500500505523 has 2 divisors, whose sum is σ = 55500500505524. Its totient is φ = 55500500505522.

The previous prime is 55500500505497. The next prime is 55500500505551. The reversal of 55500500505523 is 32550500500555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55500500505523 - 2⁵ = 55500500505491 is a prime.

It is not a weakly prime, because it can be changed into another prime (55500500505823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27750250252761 + 27750250252762.

It is an arithmetic number, because the mean of its divisors is an integer number (27750250252762).

Almost surely, 2^{55500500505523} is an apocalyptic number.

55500500505523 is a deficient number, since it is larger than the sum of its proper divisors (1).

55500500505523 is an equidigital number, since it uses as much as digits as its factorization.

55500500505523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 55500500505523 in words is "fifty-five trillion, five hundred billion, five hundred million, five hundred five thousand, five hundred twenty-three".