53345403818 has 16 divisors (see below), whose sum is σ = 94399240704. Its totient is φ = 22124821680.

The previous prime is 53345403799. The next prime is 53345403821. The reversal of 53345403818 is 81830454335.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61457405 + ... + 61458272.

It is an arithmetic number, because the mean of its divisors is an integer number (5899952544).

Almost surely, 2^53345403818 is an apocalyptic number.

53345403818 is a deficient number, since it is larger than the sum of its proper divisors (41053836886).

53345403818 is a wasteful number, since it uses less digits than its factorization.

53345403818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122915717.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 53345403818 in words is "fifty-three billion, three hundred forty-five million, four hundred three thousand, eight hundred eighteen".