52947664251280 has 80 divisors (see below), whose sum is σ = 129587814688320. Its totient is φ = 20063546049024.

The previous prime is 52947664251211. The next prime is 52947664251301. The reversal of 52947664251280 is 8215246674925.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36580219 + ... + 38000101.

It is an arithmetic number, because the mean of its divisors is an integer number (1619847683604).

Almost surely, 2^{52947664251280} is an apocalyptic number.

It is an amenable number.

52947664251280 is an abundant number, since it is smaller than the sum of its proper divisors (76640150437040).

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

52947664251280 is a wasteful number, since it uses less digits than its factorization.

52947664251280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444448 (or 1444442 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 52947664251280 in words is "fifty-two trillion, nine hundred forty-seven billion, six hundred sixty-four million, two hundred fifty-one thousand, two hundred eighty".