53173270065257 has 8 divisors (see below), whose sum is σ = 55018627688640. Its totient is φ = 51328698881040.

The previous prime is 53173270065191. The next prime is 53173270065283. The reversal of 53173270065257 is 75256007237135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53173270065257 - 2²⁴ = 53173253288041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53173270065199 and 53173270065208.

It is not an unprimeable number, because it can be changed into a prime (53173270065287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196472219 + ... + 196742672.

It is an arithmetic number, because the mean of its divisors is an integer number (6877328461080).

Almost surely, 2^{53173270065257} is an apocalyptic number.

It is an amenable number.

53173270065257 is a deficient number, since it is larger than the sum of its proper divisors (1845357623383).

53173270065257 is a wasteful number, since it uses less digits than its factorization.

53173270065257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393219583.

The product of its (nonzero) digits is 9261000, while the sum is 53.

The spelling of 53173270065257 in words is "fifty-three trillion, one hundred seventy-three billion, two hundred seventy million, sixty-five thousand, two hundred fifty-seven".