2655280431553 has 4 divisors (see below), whose sum is σ = 2655342674820. Its totient is φ = 2655218188288.

The previous prime is 2655280431541. The next prime is 2655280431581. The reversal of 2655280431553 is 3551340825562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 720379957504 + 1934900474049 = 848752^2 + 1391007^2 .

It is a cyclic number.

It is not a de Polignac number, because 2655280431553 - 2²⁵ = 2655246877121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2655280431497 and 2655280431506.

It is not an unprimeable number, because it can be changed into a prime (2655280431253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31057600 + ... + 31142977.

It is an arithmetic number, because the mean of its divisors is an integer number (663835668705).

Almost surely, 2^{2655280431553} is an apocalyptic number.

It is an amenable number.

2655280431553 is a deficient number, since it is larger than the sum of its proper divisors (62243267).

2655280431553 is an equidigital number, since it uses as much as digits as its factorization.

2655280431553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62243266.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 2655280431553 in words is "two trillion, six hundred fifty-five billion, two hundred eighty million, four hundred thirty-one thousand, five hundred fifty-three".