53523315516403 has 2 divisors, whose sum is σ = 53523315516404. Its totient is φ = 53523315516402.

The previous prime is 53523315516287. The next prime is 53523315516439. The reversal of 53523315516403 is 30461551332535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53523315516403 - 2²⁵ = 53523281961971 is a prime.

It is a super-2 number, since 2×53523315516403² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53523315516493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26761657758201 + 26761657758202.

It is an arithmetic number, because the mean of its divisors is an integer number (26761657758202).

Almost surely, 2^{53523315516403} is an apocalyptic number.

53523315516403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53523315516403 is an equidigital number, since it uses as much as digits as its factorization.

53523315516403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 46.

Adding to 53523315516403 its reverse (30461551332535), we get a palindrome (83984866848938).

The spelling of 53523315516403 in words is "fifty-three trillion, five hundred twenty-three billion, three hundred fifteen million, five hundred sixteen thousand, four hundred three".