4555421505 has 64 divisors (see below), whose sum is σ = 8319717120. Its totient is φ = 2363655168.

The previous prime is 4555421503. The next prime is 4555421527. The reversal of 4555421505 is 5051245554.

4555421505 is a `hidden beast` number, since 455 + 54 + 2 + 150 + 5 = 666.

It is not a de Polignac number, because 4555421505 - 2¹ = 4555421503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4555421505.

It is not an unprimeable number, because it can be changed into a prime (4555421503) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1606569 + ... + 1609401.

It is an arithmetic number, because the mean of its divisors is an integer number (129995580).

Almost surely, 2^4555421505 is an apocalyptic number.

4555421505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4555421505 is a deficient number, since it is larger than the sum of its proper divisors (3764295615).

4555421505 is a wasteful number, since it uses less digits than its factorization.

4555421505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3161 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The square root of 4555421505 is about 67493.8627209912. The cubic root of 4555421505 is about 1657.7136842912.

The spelling of 4555421505 in words is "four billion, five hundred fifty-five million, four hundred twenty-one thousand, five hundred five".