52131320845455 has 64 divisors (see below), whose sum is σ = 86643926138880. Its totient is φ = 26745862376064.

The previous prime is 52131320845453. The next prime is 52131320845463. The reversal of 52131320845455 is 55454802313125.

It is not a de Polignac number, because 52131320845455 - 2¹ = 52131320845453 is a prime.

It is a super-2 number, since 2×52131320845455² (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 (52131320845453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241434252 + ... + 241650078.

It is an arithmetic number, because the mean of its divisors is an integer number (1353811345920).

Almost surely, 2^{52131320845455} is an apocalyptic number.

52131320845455 is a deficient number, since it is larger than the sum of its proper divisors (34512605293425).

52131320845455 is a wasteful number, since it uses less digits than its factorization.

52131320845455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221748.

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 52131320845455 in words is "fifty-two trillion, one hundred thirty-one billion, three hundred twenty million, eight hundred forty-five thousand, four hundred fifty-five".