2553520887 has 24 divisors (see below), whose sum is σ = 3908638656. Its totient is φ = 1600874496.

The previous prime is 2553520883. The next prime is 2553520897. The reversal of 2553520887 is 7880253552.

It is not a de Polignac number, because 2553520887 - 2² = 2553520883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553520883) 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 23 ways as a sum of consecutive naturals, for example, 196743 + ... + 209319.

It is an arithmetic number, because the mean of its divisors is an integer number (162859944).

Almost surely, 2^2553520887 is an apocalyptic number.

2553520887 is a deficient number, since it is larger than the sum of its proper divisors (1355117769).

2553520887 is a wasteful number, since it uses less digits than its factorization.

2553520887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13927 (or 13924 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The square root of 2553520887 is about 50532.3746424013. The cubic root of 2553520887 is about 1366.8257065826.

The spelling of 2553520887 in words is "two billion, five hundred fifty-three million, five hundred twenty thousand, eight hundred eighty-seven".