5400405557 has 2 divisors, whose sum is σ = 5400405558. Its totient is φ = 5400405556.

The previous prime is 5400405503. The next prime is 5400405599. The reversal of 5400405557 is 7555040045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5373769636 + 26635921 = 73306^2 + 5161^2 .

It is a cyclic number.

It is not a de Polignac number, because 5400405557 - 2¹⁴ = 5400389173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5400408557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700202778 + 2700202779.

It is an arithmetic number, because the mean of its divisors is an integer number (2700202779).

Almost surely, 2^5400405557 is an apocalyptic number.

It is an amenable number.

5400405557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5400405557 is an equidigital number, since it uses as much as digits as its factorization.

5400405557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 5400405557 is about 73487.4516975517. The cubic root of 5400405557 is about 1754.4545624157.

The spelling of 5400405557 in words is "five billion, four hundred million, four hundred five thousand, five hundred fifty-seven".