18552053553500 has 24 divisors (see below), whose sum is σ = 40517684961936. Its totient is φ = 7420821421200.

The previous prime is 18552053553493. The next prime is 18552053553521. The reversal of 18552053553500 is 535535025581.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18552053054 + ... + 18552054053.

It is an arithmetic number, because the mean of its divisors is an integer number (1688236873414).

Almost surely, 2^{18552053553500} is an apocalyptic number.

18552053553500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18552053553500 is an abundant number, since it is smaller than the sum of its proper divisors (21965631408436).

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

18552053553500 is a wasteful number, since it uses less digits than its factorization.

18552053553500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37104107126 (or 37104107114 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 47.

The spelling of 18552053553500 in words is "eighteen trillion, five hundred fifty-two billion, fifty-three million, five hundred fifty-three thousand, five hundred".