52766772511 has 4 divisors (see below), whose sum is σ = 52791283152. Its totient is φ = 52742261872.

The previous prime is 52766772497. The next prime is 52766772547. The reversal of 52766772511 is 11527766725.

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

It is a cyclic number.

It is not a de Polignac number, because 52766772511 - 2¹³ = 52766764319 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52766772571) 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, 12252091 + ... + 12256396.

It is an arithmetic number, because the mean of its divisors is an integer number (13197820788).

Almost surely, 2^52766772511 is an apocalyptic number.

52766772511 is a deficient number, since it is larger than the sum of its proper divisors (24510641).

52766772511 is a wasteful number, since it uses less digits than its factorization.

52766772511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24510640.

The product of its digits is 1234800, while the sum is 49.

The spelling of 52766772511 in words is "fifty-two billion, seven hundred sixty-six million, seven hundred seventy-two thousand, five hundred eleven".