52181537771 has 16 divisors (see below), whose sum is σ = 57175256160. Its totient is φ = 47229665280.

The previous prime is 52181537743. The next prime is 52181537773. The reversal of 52181537771 is 17773518125.

It is a cyclic number.

It is not a de Polignac number, because 52181537771 - 2¹⁴ = 52181521387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52181537773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8390255 + ... + 8396471.

It is an arithmetic number, because the mean of its divisors is an integer number (3573453510).

Almost surely, 2^52181537771 is an apocalyptic number.

52181537771 is a deficient number, since it is larger than the sum of its proper divisors (4993718389).

52181537771 is a wasteful number, since it uses less digits than its factorization.

52181537771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454.

The product of its digits is 411600, while the sum is 47.

The spelling of 52181537771 in words is "fifty-two billion, one hundred eighty-one million, five hundred thirty-seven thousand, seven hundred seventy-one".