53181808889852 has 24 divisors (see below), whose sum is σ = 93649497631872. Its totient is φ = 26425326193200.

The previous prime is 53181808889819. The next prime is 53181808889857. The reversal of 53181808889852 is 25898880818135.

It is a self number, because there is not a number n which added to its sum of digits gives 53181808889852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53181808889857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64166258 + ... + 64989785.

It is an arithmetic number, because the mean of its divisors is an integer number (3902062401328).

Almost surely, 2^{53181808889852} is an apocalyptic number.

It is an amenable number.

53181808889852 is a deficient number, since it is larger than the sum of its proper divisors (40467688742020).

53181808889852 is a wasteful number, since it uses less digits than its factorization.

53181808889852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129156689 (or 129156687 counting only the distinct ones).

The product of its (nonzero) digits is 353894400, while the sum is 74.

The spelling of 53181808889852 in words is "fifty-three trillion, one hundred eighty-one billion, eight hundred eight million, eight hundred eighty-nine thousand, eight hundred fifty-two".