4550215172500 has 60 divisors (see below), whose sum is σ = 10181815676032. Its totient is φ = 1777758444000.

The previous prime is 4550215172453. The next prime is 4550215172513. The reversal of 4550215172500 is 52715120554.

It is a self number, because there is not a number n which added to its sum of digits gives 4550215172500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21056292 + ... + 21271291.

Almost surely, 2^{4550215172500} is an apocalyptic number.

It is an amenable number.

4550215172500 is an abundant number, since it is smaller than the sum of its proper divisors (5631600503532).

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

4550215172500 is a wasteful number, since it uses less digits than its factorization.

4550215172500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42327650 (or 42327633 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 4550215172500 in words is "four trillion, five hundred fifty billion, two hundred fifteen million, one hundred seventy-two thousand, five hundred".