52257305071 has 4 divisors (see below), whose sum is σ = 52638745392. Its totient is φ = 51875864752.

The previous prime is 52257305039. The next prime is 52257305081. The reversal of 52257305071 is 17050375225.

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 52257305071 - 2⁵ = 52257305039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52257305071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52257305021) 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, 190719955 + ... + 190720228.

It is an arithmetic number, because the mean of its divisors is an integer number (13159686348).

Almost surely, 2^52257305071 is an apocalyptic number.

52257305071 is a deficient number, since it is larger than the sum of its proper divisors (381440321).

52257305071 is a wasteful number, since it uses less digits than its factorization.

52257305071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381440320.

The product of its (nonzero) digits is 73500, while the sum is 37.

The spelling of 52257305071 in words is "fifty-two billion, two hundred fifty-seven million, three hundred five thousand, seventy-one".