2520608553 has 12 divisors (see below), whose sum is σ = 3641517828. Its totient is φ = 1680110880.

The previous prime is 2520608551. The next prime is 2520608557. The reversal of 2520608553 is 3558060252.

It is a happy number.

2520608553 is a `hidden beast` number, since 2 + 520 + 6 + 0 + 85 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1756196649 + 764411904 = 41907^2 + 27648^2 .

It is not a de Polignac number, because 2520608553 - 2¹ = 2520608551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520608551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37951 + ... + 80507.

It is an arithmetic number, because the mean of its divisors is an integer number (303459819).

Almost surely, 2^2520608553 is an apocalyptic number.

It is an amenable number.

2520608553 is a deficient number, since it is larger than the sum of its proper divisors (1120909275).

2520608553 is a wasteful number, since it uses less digits than its factorization.

2520608553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49144 (or 49141 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 2520608553 is about 50205.6625591178. The cubic root of 2520608553 is about 1360.9279553972.

The spelling of 2520608553 in words is "two billion, five hundred twenty million, six hundred eight thousand, five hundred fifty-three".