52557732012 has 12 divisors (see below), whose sum is σ = 122634708056. Its totient is φ = 17519244000.

The previous prime is 52557732011. The next prime is 52557732043. The reversal of 52557732012 is 21023775525.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (52557732011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2189905489 + ... + 2189905512.

Almost surely, 2^52557732012 is an apocalyptic number.

It is an amenable number.

52557732012 is an abundant number, since it is smaller than the sum of its proper divisors (70076976044).

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

52557732012 is a wasteful number, since it uses less digits than its factorization.

52557732012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379811008 (or 4379811006 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 39.

The spelling of 52557732012 in words is "fifty-two billion, five hundred fifty-seven million, seven hundred thirty-two thousand, twelve".