5543388457 has 2 divisors, whose sum is σ = 5543388458. Its totient is φ = 5543388456.

The previous prime is 5543388439. The next prime is 5543388467. The reversal of 5543388457 is 7548833455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3094029376 + 2449359081 = 55624^2 + 49491^2 .

It is a cyclic number.

It is not a de Polignac number, because 5543388457 - 2¹⁵ = 5543355689 is a prime.

It is not a weakly prime, because it can be changed into another prime (5543388437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771694228 + 2771694229.

It is an arithmetic number, because the mean of its divisors is an integer number (2771694229).

Almost surely, 2^5543388457 is an apocalyptic number.

It is an amenable number.

5543388457 is a deficient number, since it is larger than the sum of its proper divisors (1).

5543388457 is an equidigital number, since it uses as much as digits as its factorization.

5543388457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064000, while the sum is 52.

The square root of 5543388457 is about 74453.9351344172. The cubic root of 5543388457 is about 1769.8037231151.

The spelling of 5543388457 in words is "five billion, five hundred forty-three million, three hundred eighty-eight thousand, four hundred fifty-seven".