53520404626459 has 2 divisors, whose sum is σ = 53520404626460. Its totient is φ = 53520404626458.

The previous prime is 53520404626457. The next prime is 53520404626523. The reversal of 53520404626459 is 95462640402535.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53520404626459 - 2¹ = 53520404626457 is a prime.

It is a super-2 number, since 2×53520404626459² (a number of 28 digits) contains 22 as substring.

Together with 53520404626457, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53520404626457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26760202313229 + 26760202313230.

It is an arithmetic number, because the mean of its divisors is an integer number (26760202313230).

Almost surely, 2^{53520404626459} is an apocalyptic number.

53520404626459 is a deficient number, since it is larger than the sum of its proper divisors (1).

53520404626459 is an equidigital number, since it uses as much as digits as its factorization.

53520404626459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 53520404626459 in words is "fifty-three trillion, five hundred twenty billion, four hundred four million, six hundred twenty-six thousand, four hundred fifty-nine".