53073976728 has 32 divisors (see below), whose sum is σ = 132853584960. Its totient is φ = 17668839840.

The previous prime is 53073976691. The next prime is 53073976763. The reversal of 53073976728 is 82767937035.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386078 + ... + 1423853.

It is an arithmetic number, because the mean of its divisors is an integer number (4151674530).

Almost surely, 2^53073976728 is an apocalyptic number.

It is an amenable number.

53073976728 is an abundant number, since it is smaller than the sum of its proper divisors (79779608232).

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

53073976728 is a wasteful number, since it uses less digits than its factorization.

53073976728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810727 (or 2810723 counting only the distinct ones).

The product of its (nonzero) digits is 13335840, while the sum is 57.

The spelling of 53073976728 in words is "fifty-three billion, seventy-three million, nine hundred seventy-six thousand, seven hundred twenty-eight".