2655563445 has 24 divisors (see below), whose sum is σ = 4727384376. Its totient is φ = 1378021248.

The previous prime is 2655563423. The next prime is 2655563459. The reversal of 2655563445 is 5443655562.

2655563445 is a `hidden beast` number, since 2 + 6 + 5 + 5 + 5 + 634 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1486333809 + 1169229636 = 38553^2 + 34194^2 .

It is not a de Polignac number, because 2655563445 - 2⁶ = 2655563381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2655563445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795802 + ... + 799131.

It is an arithmetic number, because the mean of its divisors is an integer number (196974349).

Almost surely, 2^2655563445 is an apocalyptic number.

It is an amenable number.

2655563445 is a deficient number, since it is larger than the sum of its proper divisors (2071820931).

2655563445 is a wasteful number, since it uses less digits than its factorization.

2655563445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594981 (or 1594978 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 45.

The square root of 2655563445 is about 51532.1593279381. The cubic root of 2655563445 is about 1384.7952353166.

It can be divided in two parts, 26555 and 63445, that added together give a square (90000 = 300²).

The spelling of 2655563445 in words is "two billion, six hundred fifty-five million, five hundred sixty-three thousand, four hundred forty-five".