5503131061 has 4 divisors (see below), whose sum is σ = 5578516492. Its totient is φ = 5427745632.

The previous prime is 5503131001. The next prime is 5503131077. The reversal of 5503131061 is 1601313055.

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 1754018161 + 3749112900 = 41881^2 + 61230^2 .

It is a cyclic number.

It is not a de Polignac number, because 5503131061 - 2⁷ = 5503130933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5503131001) 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, 37692606 + ... + 37692751.

It is an arithmetic number, because the mean of its divisors is an integer number (1394629123).

Almost surely, 2^5503131061 is an apocalyptic number.

It is an amenable number.

5503131061 is a deficient number, since it is larger than the sum of its proper divisors (75385431).

5503131061 is an equidigital number, since it uses as much as digits as its factorization.

5503131061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75385430.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 5503131061 is about 74183.0914764274. The cubic root of 5503131061 is about 1765.5090658170.

The spelling of 5503131061 in words is "five billion, five hundred three million, one hundred thirty-one thousand, sixty-one".