53305775616401 has 32 divisors (see below), whose sum is σ = 68793577171200. Its totient is φ = 40079730862080.

The previous prime is 53305775616377. The next prime is 53305775616407. The reversal of 53305775616401 is 10461657750335.

It is a de Polignac number, because none of the positive numbers 2^k-53305775616401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53305775616407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3825320 + ... + 11011113.

It is an arithmetic number, because the mean of its divisors is an integer number (2149799286600).

Almost surely, 2^{53305775616401} is an apocalyptic number.

It is an amenable number.

53305775616401 is a deficient number, since it is larger than the sum of its proper divisors (15487801554799).

53305775616401 is a wasteful number, since it uses less digits than its factorization.

53305775616401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838089.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 53305775616401 in words is "fifty-three trillion, three hundred five billion, seven hundred seventy-five million, six hundred sixteen thousand, four hundred one".