4521729055 has 8 divisors (see below), whose sum is σ = 5427370944. Its totient is φ = 3616519200.

The previous prime is 4521728987. The next prime is 4521729067. The reversal of 4521729055 is 5509271254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4521729055 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4521728999 and 4521729017.

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, 84516 + ... + 127225.

It is an arithmetic number, because the mean of its divisors is an integer number (678421368).

Almost surely, 2^4521729055 is an apocalyptic number.

4521729055 is a deficient number, since it is larger than the sum of its proper divisors (905641889).

4521729055 is a wasteful number, since it uses less digits than its factorization.

4521729055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216017.

The product of its (nonzero) digits is 126000, while the sum is 40.

The square root of 4521729055 is about 67243.8030973859. The cubic root of 4521729055 is about 1653.6166831621.

The spelling of 4521729055 in words is "four billion, five hundred twenty-one million, seven hundred twenty-nine thousand, fifty-five".