52502181952389 has 32 divisors (see below), whose sum is σ = 77288307600000. Its totient is φ = 31495771607040.

The previous prime is 52502181952361. The next prime is 52502181952393. The reversal of 52502181952389 is 98325918120525.

It is not a de Polignac number, because 52502181952389 - 2¹³ = 52502181944197 is a prime.

It is a super-2 number, since 2×52502181952389² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52502181942389) 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, 11147119 + ... + 15141420.

It is an arithmetic number, because the mean of its divisors is an integer number (2415259612500).

Almost surely, 2^{52502181952389} is an apocalyptic number.

It is an amenable number.

52502181952389 is a deficient number, since it is larger than the sum of its proper divisors (24786125647611).

52502181952389 is a wasteful number, since it uses less digits than its factorization.

52502181952389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26289845.

The product of its (nonzero) digits is 15552000, while the sum is 60.

The spelling of 52502181952389 in words is "fifty-two trillion, five hundred two billion, one hundred eighty-one million, nine hundred fifty-two thousand, three hundred eighty-nine".