4552720272553 has 8 divisors (see below), whose sum is σ = 4638665802888. Its totient is φ = 4466776414464.

The previous prime is 4552720272539. The next prime is 4552720272559. The reversal of 4552720272553 is 3552720272554.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3394574098969 + 1158146173584 = 1842437^2 + 1076172^2 .

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 4552720272553 - 2⁵ = 4552720272521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4552720272497 and 4552720272506.

It is not an unprimeable number, because it can be changed into a prime (4552720272559) 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, 5999451 + ... + 6715567.

It is an arithmetic number, because the mean of its divisors is an integer number (579833225361).

Almost surely, 2^{4552720272553} is an apocalyptic number.

It is an amenable number.

4552720272553 is a deficient number, since it is larger than the sum of its proper divisors (85945530335).

4552720272553 is a wasteful number, since it uses less digits than its factorization.

4552720272553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836123.

The product of its (nonzero) digits is 5880000, while the sum is 49.

Subtracting from 4552720272553 its reverse (3552720272554), we obtain a palindrome (999999999999).

The spelling of 4552720272553 in words is "four trillion, five hundred fifty-two billion, seven hundred twenty million, two hundred seventy-two thousand, five hundred fifty-three".