5538953773 has 2 divisors, whose sum is σ = 5538953774. Its totient is φ = 5538953772.

The previous prime is 5538953681. The next prime is 5538953801. The reversal of 5538953773 is 3773598355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5343317604 + 195636169 = 73098^2 + 13987^2 .

It is a cyclic number.

It is not a de Polignac number, because 5538953773 - 2²¹ = 5536856621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5538959773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769476886 + 2769476887.

It is an arithmetic number, because the mean of its divisors is an integer number (2769476887).

Almost surely, 2^5538953773 is an apocalyptic number.

It is an amenable number.

5538953773 is a deficient number, since it is larger than the sum of its proper divisors (1).

5538953773 is an equidigital number, since it uses as much as digits as its factorization.

5538953773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11907000, while the sum is 55.

The square root of 5538953773 is about 74424.1477814829. The cubic root of 5538953773 is about 1769.3316523969.

The spelling of 5538953773 in words is "five billion, five hundred thirty-eight million, nine hundred fifty-three thousand, seven hundred seventy-three".