5520402553 has 4 divisors (see below), whose sum is σ = 5669602660. Its totient is φ = 5371202448.

The previous prime is 5520402499. The next prime is 5520402581. The reversal of 5520402553 is 3552040255.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4765417024 + 754985529 = 69032^2 + 27477^2 .

It is a cyclic number.

It is not a de Polignac number, because 5520402553 - 2¹³ = 5520394361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5520412553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74599998 + ... + 74600071.

It is an arithmetic number, because the mean of its divisors is an integer number (1417400665).

Almost surely, 2^5520402553 is an apocalyptic number.

It is an amenable number.

5520402553 is a deficient number, since it is larger than the sum of its proper divisors (149200107).

5520402553 is a wasteful number, since it uses less digits than its factorization.

5520402553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149200106.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 5520402553 is about 74299.4115252604. The cubic root of 5520402553 is about 1767.3541445729.

The spelling of 5520402553 in words is "five billion, five hundred twenty million, four hundred two thousand, five hundred fifty-three".