2553553636 has 24 divisors (see below), whose sum is σ = 4582685016. Its totient is φ = 1244282880.

The previous prime is 2553553627. The next prime is 2553553637. The reversal of 2553553636 is 6363553552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 541492900 + 2012060736 = 23270^2 + 44856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2553553592 and 2553553601.

It is not an unprimeable number, because it can be changed into a prime (2553553637) 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, 152260 + ... + 168196.

It is an arithmetic number, because the mean of its divisors is an integer number (190945209).

Almost surely, 2^2553553636 is an apocalyptic number.

It is an amenable number.

2553553636 is a deficient number, since it is larger than the sum of its proper divisors (2029131380).

2553553636 is a wasteful number, since it uses less digits than its factorization.

2553553636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16959 (or 16957 counting only the distinct ones).

The product of its digits is 1215000, while the sum is 43.

The square root of 2553553636 is about 50532.6986811510. The cubic root of 2553553636 is about 1366.8315497544.

The spelling of 2553553636 in words is "two billion, five hundred fifty-three million, five hundred fifty-three thousand, six hundred thirty-six".