4551720755 has 8 divisors (see below), whose sum is σ = 5482371600. Its totient is φ = 3627838816.

The previous prime is 4551720751. The next prime is 4551720757. The reversal of 4551720755 is 5570271554.

It is a happy number.

4551720755 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4551720755 - 2² = 4551720751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4551720751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690745 + ... + 1693434.

It is an arithmetic number, because the mean of its divisors is an integer number (685296450).

Almost surely, 2^4551720755 is an apocalyptic number.

4551720755 is a deficient number, since it is larger than the sum of its proper divisors (930650845).

4551720755 is a wasteful number, since it uses less digits than its factorization.

4551720755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384453.

The product of its (nonzero) digits is 245000, while the sum is 41.

The square root of 4551720755 is about 67466.4416951124. The cubic root of 4551720755 is about 1657.2646628394.

The spelling of 4551720755 in words is "four billion, five hundred fifty-one million, seven hundred twenty thousand, seven hundred fifty-five".