5183555521 has 4 divisors (see below), whose sum is σ = 5184140032. Its totient is φ = 5182971012.

The previous prime is 5183555513. The next prime is 5183555537. The reversal of 5183555521 is 1255553815.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1255553815 = 5 ⋅251110763.

It is a cyclic number.

It is not a de Polignac number, because 5183555521 - 2³ = 5183555513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5183555021) 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, 278745 + ... + 296758.

It is an arithmetic number, because the mean of its divisors is an integer number (1296035008).

Almost surely, 2^5183555521 is an apocalyptic number.

It is an amenable number.

5183555521 is a deficient number, since it is larger than the sum of its proper divisors (584511).

5183555521 is an equidigital number, since it uses as much as digits as its factorization.

5183555521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584510.

The product of its digits is 150000, while the sum is 40.

The square root of 5183555521 is about 71996.9132741120. The cubic root of 5183555521 is about 1730.6500192478.

The spelling of 5183555521 in words is "five billion, one hundred eighty-three million, five hundred fifty-five thousand, five hundred twenty-one".