52775661071 has 4 divisors (see below), whose sum is σ = 60315041232. Its totient is φ = 45236280912.

The previous prime is 52775661047. The next prime is 52775661083. The reversal of 52775661071 is 17016657725.

52775661071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52775661071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52775661371) 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, 3769690070 + ... + 3769690083.

It is an arithmetic number, because the mean of its divisors is an integer number (15078760308).

Almost surely, 2^52775661071 is an apocalyptic number.

52775661071 is a deficient number, since it is larger than the sum of its proper divisors (7539380161).

52775661071 is an equidigital number, since it uses as much as digits as its factorization.

52775661071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539380160.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 52775661071 in words is "fifty-two billion, seven hundred seventy-five million, six hundred sixty-one thousand, seventy-one".