5509813957 has 2 divisors, whose sum is σ = 5509813958. Its totient is φ = 5509813956.

The previous prime is 5509813937. The next prime is 5509813961. The reversal of 5509813957 is 7593189055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4291036036 + 1218777921 = 65506^2 + 34911^2 .

It is a cyclic number.

It is not a de Polignac number, because 5509813957 - 2²⁷ = 5375596229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5509813937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2754906978 + 2754906979.

It is an arithmetic number, because the mean of its divisors is an integer number (2754906979).

Almost surely, 2^5509813957 is an apocalyptic number.

It is an amenable number.

5509813957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5509813957 is an equidigital number, since it uses as much as digits as its factorization.

5509813957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701000, while the sum is 52.

The square root of 5509813957 is about 74228.1210660758. The cubic root of 5509813957 is about 1766.2234434152.

The spelling of 5509813957 in words is "five billion, five hundred nine million, eight hundred thirteen thousand, nine hundred fifty-seven".