5521020839 has 2 divisors, whose sum is σ = 5521020840. Its totient is φ = 5521020838.

The previous prime is 5521020833. The next prime is 5521020859. The reversal of 5521020839 is 9380201255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5521020839 - 2²⁴ = 5504243623 is a prime.

It is a super-2 number, since 2×5521020839² = 60963342209344527842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5521020799 and 5521020808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5521020833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760510419 + 2760510420.

It is an arithmetic number, because the mean of its divisors is an integer number (2760510420).

Almost surely, 2^5521020839 is an apocalyptic number.

5521020839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521020839 is an equidigital number, since it uses as much as digits as its factorization.

5521020839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 5521020839 is about 74303.5721819617. The cubic root of 5521020839 is about 1767.4201234287.

The spelling of 5521020839 in words is "five billion, five hundred twenty-one million, twenty thousand, eight hundred thirty-nine".