5538940157 has 2 divisors, whose sum is σ = 5538940158. Its totient is φ = 5538940156.

The previous prime is 5538940151. The next prime is 5538940181. The reversal of 5538940157 is 7510498355.

5538940157 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., 5536996921 + 1943236 = 74411^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 5538940157 - 2¹⁴ = 5538923773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5538940151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769470078 + 2769470079.

It is an arithmetic number, because the mean of its divisors is an integer number (2769470079).

Almost surely, 2^5538940157 is an apocalyptic number.

It is an amenable number.

5538940157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5538940157 is an equidigital number, since it uses as much as digits as its factorization.

5538940157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756000, while the sum is 47.

The square root of 5538940157 is about 74424.0563057403. The cubic root of 5538940157 is about 1769.3302025900.

The spelling of 5538940157 in words is "five billion, five hundred thirty-eight million, nine hundred forty thousand, one hundred fifty-seven".