52577656728 has 16 divisors (see below), whose sum is σ = 131444141880. Its totient is φ = 17525885568.

The previous prime is 52577656723. The next prime is 52577656753. The reversal of 52577656728 is 82765677525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52577656721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1095367825 + ... + 1095367872.

Almost surely, 2^52577656728 is an apocalyptic number.

It is an amenable number.

52577656728 is an abundant number, since it is smaller than the sum of its proper divisors (78866485152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52577656728 is a wasteful number, since it uses less digits than its factorization.

52577656728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190735706 (or 2190735702 counting only the distinct ones).

The product of its digits is 49392000, while the sum is 60.

The spelling of 52577656728 in words is "fifty-two billion, five hundred seventy-seven million, six hundred fifty-six thousand, seven hundred twenty-eight".