5409557 has 2 divisors, whose sum is σ = 5409558. Its totient is φ = 5409556.

The previous prime is 5409539. The next prime is 5409571. The reversal of 5409557 is 7559045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2979076 + 2430481 = 1726^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 5409557 - 2⁶ = 5409493 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5409517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704778 + 2704779.

It is an arithmetic number, because the mean of its divisors is an integer number (2704779).

Almost surely, 2^5409557 is an apocalyptic number.

It is an amenable number.

5409557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5409557 is an equidigital number, since it uses as much as digits as its factorization.

5409557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 5409557 is about 2325.8454376850. The cubic root of 5409557 is about 175.5445026927.

The spelling of 5409557 in words is "five million, four hundred nine thousand, five hundred fifty-seven".