52775780782 has 24 divisors (see below), whose sum is σ = 80712292752. Its totient is φ = 25880400000.

The previous prime is 52775780723. The next prime is 52775780809. The reversal of 52775780782 is 28708757725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1870782 + ... + 1898782.

It is an arithmetic number, because the mean of its divisors is an integer number (3363012198).

Almost surely, 2^52775780782 is an apocalyptic number.

52775780782 is a deficient number, since it is larger than the sum of its proper divisors (27936511970).

52775780782 is a wasteful number, since it uses less digits than its factorization.

52775780782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28312 (or 28233 counting only the distinct ones).

The product of its (nonzero) digits is 15366400, while the sum is 58.

The spelling of 52775780782 in words is "fifty-two billion, seven hundred seventy-five million, seven hundred eighty thousand, seven hundred eighty-two".