53518447177703 has 2 divisors, whose sum is σ = 53518447177704. Its totient is φ = 53518447177702.

The previous prime is 53518447177673. The next prime is 53518447177799. The reversal of 53518447177703 is 30777174481535.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53518447177703 - 2²⁸ = 53518178742247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53518447170703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26759223588851 + 26759223588852.

It is an arithmetic number, because the mean of its divisors is an integer number (26759223588852).

Almost surely, 2^{53518447177703} is an apocalyptic number.

53518447177703 is a deficient number, since it is larger than the sum of its proper divisors (1).

53518447177703 is an equidigital number, since it uses as much as digits as its factorization.

53518447177703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69148800, while the sum is 62.

The spelling of 53518447177703 in words is "fifty-three trillion, five hundred eighteen billion, four hundred forty-seven million, one hundred seventy-seven thousand, seven hundred three".