52536644421000 has 128 divisors (see below), whose sum is σ = 165014428176000. Its totient is φ = 13915746412800.

The previous prime is 52536644420993. The next prime is 52536644421017. The reversal of 52536644421000 is 12444663525.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58318822 + ... + 59212821.

It is an arithmetic number, because the mean of its divisors is an integer number (1289175220125).

Almost surely, 2^{52536644421000} is an apocalyptic number.

52536644421000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52536644421000 is an abundant number, since it is smaller than the sum of its proper divisors (112477783755000).

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

52536644421000 is a wasteful number, since it uses less digits than its factorization.

52536644421000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117531816 (or 117531802 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 52536644421000 in words is "fifty-two trillion, five hundred thirty-six billion, six hundred forty-four million, four hundred twenty-one thousand".