5525920409 has 2 divisors, whose sum is σ = 5525920410. Its totient is φ = 5525920408.

The previous prime is 5525920403. The next prime is 5525920447. The reversal of 5525920409 is 9040295255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2950662400 + 2575258009 = 54320^2 + 50747^2 .

It is a cyclic number.

It is not a de Polignac number, because 5525920409 - 2²⁴ = 5509143193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5525920403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762960204 + 2762960205.

It is an arithmetic number, because the mean of its divisors is an integer number (2762960205).

Almost surely, 2^5525920409 is an apocalyptic number.

It is an amenable number.

5525920409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5525920409 is an equidigital number, since it uses as much as digits as its factorization.

5525920409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 5525920409 is about 74336.5348196968. The cubic root of 5525920409 is about 1767.9427947791.

The spelling of 5525920409 in words is "five billion, five hundred twenty-five million, nine hundred twenty thousand, four hundred nine".