53330064018 has 64 divisors (see below), whose sum is σ = 133747725312. Its totient is φ = 13771874880.

The previous prime is 53330064017. The next prime is 53330064023. The reversal of 53330064018 is 81046003335.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 53330064018.

It is not an unprimeable number, because it can be changed into a prime (53330064017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253696 + ... + 413547.

It is an arithmetic number, because the mean of its divisors is an integer number (2089808208).

Almost surely, 2^53330064018 is an apocalyptic number.

53330064018 is an abundant number, since it is smaller than the sum of its proper divisors (80417661294).

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

53330064018 is a wasteful number, since it uses less digits than its factorization.

53330064018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667439.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 53330064018 in words is "fifty-three billion, three hundred thirty million, sixty-four thousand, eighteen".