2553617659 has 4 divisors (see below), whose sum is σ = 2564867304. Its totient is φ = 2542368016.

The previous prime is 2553617657. The next prime is 2553617663. The reversal of 2553617659 is 9567163552.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2553617659 - 2¹ = 2553617657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553617657) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5624482 + ... + 5624935.

It is an arithmetic number, because the mean of its divisors is an integer number (641216826).

Almost surely, 2^2553617659 is an apocalyptic number.

2553617659 is a deficient number, since it is larger than the sum of its proper divisors (11249645).

2553617659 is a wasteful number, since it uses less digits than its factorization.

2553617659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11249644.

The product of its digits is 1701000, while the sum is 49.

The square root of 2553617659 is about 50533.3321580915. The cubic root of 2553617659 is about 1366.8429727799.

The spelling of 2553617659 in words is "two billion, five hundred fifty-three million, six hundred seventeen thousand, six hundred fifty-nine".