5531310553 has 4 divisors (see below), whose sum is σ = 5856681780. Its totient is φ = 5205939328.

The previous prime is 5531310541. The next prime is 5531310559. The reversal of 5531310553 is 3550131355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3550131355 = 5 ⋅710026271.

It can be written as a sum of positive squares in 2 ways, for example, as 1732807129 + 3798503424 = 41627^2 + 61632^2 .

It is a cyclic number.

It is not a de Polignac number, because 5531310553 - 2²¹ = 5529213401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5531310559) 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, 162685588 + ... + 162685621.

It is an arithmetic number, because the mean of its divisors is an integer number (1464170445).

Almost surely, 2^5531310553 is an apocalyptic number.

It is an amenable number.

5531310553 is a deficient number, since it is larger than the sum of its proper divisors (325371227).

5531310553 is a wasteful number, since it uses less digits than its factorization.

5531310553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325371226.

The product of its (nonzero) digits is 16875, while the sum is 31.

The square root of 5531310553 is about 74372.7809954690. The cubic root of 5531310553 is about 1768.5174423058.

The spelling of 5531310553 in words is "five billion, five hundred thirty-one million, three hundred ten thousand, five hundred fifty-three".