53009688273 has 4 divisors (see below), whose sum is σ = 70679584368. Its totient is φ = 35339792180.

The previous prime is 53009688239. The next prime is 53009688289. The reversal of 53009688273 is 37288690035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53009688273 - 2⁹ = 53009687761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53009688293) 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, 8834948043 + ... + 8834948048.

It is an arithmetic number, because the mean of its divisors is an integer number (17669896092).

Almost surely, 2^53009688273 is an apocalyptic number.

It is an amenable number.

53009688273 is a deficient number, since it is larger than the sum of its proper divisors (17669896095).

53009688273 is a wasteful number, since it uses less digits than its factorization.

53009688273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17669896094.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 53009688273 in words is "fifty-three billion, nine million, six hundred eighty-eight thousand, two hundred seventy-three".