5220216553 has 2 divisors, whose sum is σ = 5220216554. Its totient is φ = 5220216552.

The previous prime is 5220216497. The next prime is 5220216583. The reversal of 5220216553 is 3556120225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4569354409 + 650862144 = 67597^2 + 25512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220216553 is a prime.

It is not a weakly prime, because it can be changed into another prime (5220216583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610108276 + 2610108277.

It is an arithmetic number, because the mean of its divisors is an integer number (2610108277).

Almost surely, 2^5220216553 is an apocalyptic number.

It is an amenable number.

5220216553 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220216553 is an equidigital number, since it uses as much as digits as its factorization.

5220216553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5220216553 is about 72251.0661028611. The cubic root of 5220216553 is about 1734.7204828383.

Adding to 5220216553 its reverse (3556120225), we get a palindrome (8776336778).

The spelling of 5220216553 in words is "five billion, two hundred twenty million, two hundred sixteen thousand, five hundred fifty-three".