5539945157 has 2 divisors, whose sum is σ = 5539945158. Its totient is φ = 5539945156.

The previous prime is 5539945111. The next prime is 5539945283. The reversal of 5539945157 is 7515499355.

5539945157 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4048904161 + 1491040996 = 63631^2 + 38614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5539945157 - 2⁸ = 5539944901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5539945099 and 5539945108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5539945357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769972578 + 2769972579.

It is an arithmetic number, because the mean of its divisors is an integer number (2769972579).

Almost surely, 2^5539945157 is an apocalyptic number.

It is an amenable number.

5539945157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5539945157 is an equidigital number, since it uses as much as digits as its factorization.

5539945157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4252500, while the sum is 53.

The square root of 5539945157 is about 74430.8078486321. The cubic root of 5539945157 is about 1769.4372067742.

The spelling of 5539945157 in words is "five billion, five hundred thirty-nine million, nine hundred forty-five thousand, one hundred fifty-seven".