4545503240550 has 96 divisors (see below), whose sum is σ = 11413467741312. Its totient is φ = 1197067361280.

The previous prime is 4545503240543. The next prime is 4545503240557. The reversal of 4545503240550 is 550423055454.

It is an interprime number because it is at equal distance from previous prime (4545503240543) and next prime (4545503240557).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545503240557) 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 47 ways as a sum of consecutive naturals, for example, 6460369 + ... + 7129331.

It is an arithmetic number, because the mean of its divisors is an integer number (118890288972).

Almost surely, 2^{4545503240550} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4545503240550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5706733870656).

4545503240550 is an abundant number, since it is smaller than the sum of its proper divisors (6867964500762).

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

4545503240550 is a wasteful number, since it uses less digits than its factorization.

4545503240550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669542 (or 669537 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 4545503240550 in words is "four trillion, five hundred forty-five billion, five hundred three million, two hundred forty thousand, five hundred fifty".