4552720272555 has 128 divisors (see below), whose sum is σ = 9071592499200. Its totient is φ = 1898476683264.

The previous prime is 4552720272539. The next prime is 4552720272559. The reversal of 4552720272555 is 5552720272554.

It is not a de Polignac number, because 4552720272555 - 2⁴ = 4552720272539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4552720272498 and 4552720272507.

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 127 ways as a sum of consecutive naturals, for example, 56349147 + ... + 56429883.

It is an arithmetic number, because the mean of its divisors is an integer number (70871816400).

Almost surely, 2^{4552720272555} is an apocalyptic number.

4552720272555 is a deficient number, since it is larger than the sum of its proper divisors (4518872226645).

4552720272555 is a wasteful number, since it uses less digits than its factorization.

4552720272555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81253.

The product of its (nonzero) digits is 9800000, while the sum is 51.

Subtracting 4552720272555 from its reverse (5552720272554), we obtain a palindrome (999999999999).

The spelling of 4552720272555 in words is "four trillion, five hundred fifty-two billion, seven hundred twenty million, two hundred seventy-two thousand, five hundred fifty-five".