5220355531 has 8 divisors (see below), whose sum is σ = 5343157424. Its totient is φ = 5097617280.

The previous prime is 5220355519. The next prime is 5220355537. The reversal of 5220355531 is 1355530225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5220355531 - 2⁷ = 5220355403 is a prime.

It is a super-2 number, since 2×5220355531² = 54504223740084583922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220355493 and 5220355502.

It is not an unprimeable number, because it can be changed into a prime (5220355537) 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 7 ways as a sum of consecutive naturals, for example, 177295 + ... + 204631.

It is an arithmetic number, because the mean of its divisors is an integer number (667894678).

Almost surely, 2^5220355531 is an apocalyptic number.

5220355531 is a deficient number, since it is larger than the sum of its proper divisors (122801893).

5220355531 is a wasteful number, since it uses less digits than its factorization.

5220355531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31821.

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 5220355531 is about 72252.0278677353. The cubic root of 5220355531 is about 1734.7358772089.

Adding to 5220355531 its reverse (1355530225), we get a palindrome (6575885756).

The spelling of 5220355531 in words is "five billion, two hundred twenty million, three hundred fifty-five thousand, five hundred thirty-one".