52771138747 has 8 divisors (see below), whose sum is σ = 52910641152. Its totient is φ = 52631716200.

The previous prime is 52771138733. The next prime is 52771138787. The reversal of 52771138747 is 74783117725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52771138747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52771138694 and 52771138703.

It is not an unprimeable number, because it can be changed into a prime (52771138787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1443468 + ... + 1479574.

It is an arithmetic number, because the mean of its divisors is an integer number (6613830144).

Almost surely, 2^52771138747 is an apocalyptic number.

52771138747 is a deficient number, since it is larger than the sum of its proper divisors (139502405).

52771138747 is a wasteful number, since it uses less digits than its factorization.

52771138747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39929.

The product of its digits is 2304960, while the sum is 52.

The spelling of 52771138747 in words is "fifty-two billion, seven hundred seventy-one million, one hundred thirty-eight thousand, seven hundred forty-seven".