2553602645 has 16 divisors (see below), whose sum is σ = 3364201728. Its totient is φ = 1845330240.

The previous prime is 2553602633. The next prime is 2553602647. The reversal of 2553602645 is 5462063552.

It is not a de Polignac number, because 2553602645 - 2⁶ = 2553602581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2553602599 and 2553602608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553602647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139229 + ... + 156498.

It is an arithmetic number, because the mean of its divisors is an integer number (210262608).

Almost surely, 2^2553602645 is an apocalyptic number.

It is an amenable number.

2553602645 is a deficient number, since it is larger than the sum of its proper divisors (810599083).

2553602645 is a wasteful number, since it uses less digits than its factorization.

2553602645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295900.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 2553602645 is about 50533.1836024607. The cubic root of 2553602645 is about 1366.8402939893.

The spelling of 2553602645 in words is "two billion, five hundred fifty-three million, six hundred two thousand, six hundred forty-five".