53201664605303 has 4 divisors (see below), whose sum is σ = 53950983825168. Its totient is φ = 52452345385440.

The previous prime is 53201664605279. The next prime is 53201664605389. The reversal of 53201664605303 is 30350646610235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53201664605303 - 2⁶ = 53201664605239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53201664605393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374659609826 + ... + 374659609967.

It is an arithmetic number, because the mean of its divisors is an integer number (13487745956292).

Almost surely, 2^{53201664605303} is an apocalyptic number.

53201664605303 is a deficient number, since it is larger than the sum of its proper divisors (749319219865).

53201664605303 is an equidigital number, since it uses as much as digits as its factorization.

53201664605303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749319219864.

The product of its (nonzero) digits is 1166400, while the sum is 44.

The spelling of 53201664605303 in words is "fifty-three trillion, two hundred one billion, six hundred sixty-four million, six hundred five thousand, three hundred three".