52768797991 has 16 divisors (see below), whose sum is σ = 65344674304. Its totient is φ = 41494983264.

The previous prime is 52768797979. The next prime is 52768798039. The reversal of 52768797991 is 19979786725.

52768797991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52768797991 - 2⁷ = 52768797863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52768797991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52768797931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1763931 + ... + 1793596.

It is an arithmetic number, because the mean of its divisors is an integer number (4084042144).

Almost surely, 2^52768797991 is an apocalyptic number.

52768797991 is a deficient number, since it is larger than the sum of its proper divisors (12575876313).

52768797991 is a wasteful number, since it uses less digits than its factorization.

52768797991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557710.

The product of its digits is 120022560, while the sum is 70.

The spelling of 52768797991 in words is "fifty-two billion, seven hundred sixty-eight million, seven hundred ninety-seven thousand, nine hundred ninety-one".