4556420550 has 144 divisors (see below), whose sum is σ = 13815388080. Its totient is φ = 1066464000.

The previous prime is 4556420513. The next prime is 4556420573. The reversal of 4556420550 is 550246554.

4556420550 is a `hidden beast` number, since 4 + 5 + 5 + 642 + 0 + 5 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127680 + ... + 159420.

It is an arithmetic number, because the mean of its divisors is an integer number (95940195).

Almost surely, 2^4556420550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4556420550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6907694040).

4556420550 is an abundant number, since it is smaller than the sum of its proper divisors (9258967530).

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

4556420550 is a wasteful number, since it uses less digits than its factorization.

4556420550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31799 (or 31791 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 4556420550 is about 67501.2633215113. The cubic root of 4556420550 is about 1657.8348592847.

The spelling of 4556420550 in words is "four billion, five hundred fifty-six million, four hundred twenty thousand, five hundred fifty".