53273331018 has 64 divisors (see below), whose sum is σ = 126566219520. Its totient is φ = 16550908416.

The previous prime is 53273331011. The next prime is 53273331049. The reversal of 53273331018 is 81013337235.

53273331018 is a `hidden beast` number, since 5 + 327 + 3 + 3 + 310 + 18 = 666.

It is not an unprimeable number, because it can be changed into a prime (53273331011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 187155 + ... + 376262.

It is an arithmetic number, because the mean of its divisors is an integer number (1977597180).

Almost surely, 2^53273331018 is an apocalyptic number.

53273331018 is an abundant number, since it is smaller than the sum of its proper divisors (73292888502).

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

53273331018 is a wasteful number, since it uses less digits than its factorization.

53273331018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563548 (or 563542 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 53273331018 in words is "fifty-three billion, two hundred seventy-three million, three hundred thirty-one thousand, eighteen".