5524020181 has 4 divisors (see below), whose sum is σ = 5524289100. Its totient is φ = 5523751264.

The previous prime is 5524020163. The next prime is 5524020209. The reversal of 5524020181 is 1810204255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1810204255 = 5 ⋅362040851.

It can be written as a sum of positive squares in 2 ways, for example, as 1685102500 + 3838917681 = 41050^2 + 61959^2 .

It is a cyclic number.

It is not a de Polignac number, because 5524020181 - 2¹⁷ = 5523889109 is a prime.

It is a super-2 number, since 2×5524020181² = 61029597920190545522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5524020581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100846 + ... + 145663.

It is an arithmetic number, because the mean of its divisors is an integer number (1381072275).

Almost surely, 2^5524020181 is an apocalyptic number.

It is an amenable number.

5524020181 is a deficient number, since it is larger than the sum of its proper divisors (268919).

5524020181 is a wasteful number, since it uses less digits than its factorization.

5524020181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268918.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 5524020181 is about 74323.7524685077. The cubic root of 5524020181 is about 1767.7401208770.

The spelling of 5524020181 in words is "five billion, five hundred twenty-four million, twenty thousand, one hundred eighty-one".