52771539974690 has 16 divisors (see below), whose sum is σ = 97305571271160. Its totient is φ = 20593771697280.

The previous prime is 52771539974641. The next prime is 52771539974717. The reversal of 52771539974690 is 9647993517725.

It can be written as a sum of positive squares in 4 ways, for example, as 21483771933481 + 31287768041209 = 4635059^2 + 5593547^2 .

It is a super-2 number, since 2×52771539974690² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64355536145 + ... + 64355536964.

Almost surely, 2^{52771539974690} is an apocalyptic number.

52771539974690 is a deficient number, since it is larger than the sum of its proper divisors (44534031296470).

52771539974690 is a wasteful number, since it uses less digits than its factorization.

52771539974690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128711073157.

The product of its (nonzero) digits is 900169200, while the sum is 74.

The spelling of 52771539974690 in words is "fifty-two trillion, seven hundred seventy-one billion, five hundred thirty-nine million, nine hundred seventy-four thousand, six hundred ninety".