5456557 has 2 divisors, whose sum is σ = 5456558. Its totient is φ = 5456556.

The previous prime is 5456551. The next prime is 5456569. The reversal of 5456557 is 7556545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3437316 + 2019241 = 1854^2 + 1421^2 .

It is a cyclic number.

It is not a de Polignac number, because 5456557 - 2¹⁹ = 4932269 is a prime.

It is a pancake number, because a pancake can be divided into 5456557 parts by 3303 straight cuts.

5456557 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5456551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728278 + 2728279.

It is an arithmetic number, because the mean of its divisors is an integer number (2728279).

Almost surely, 2^5456557 is an apocalyptic number.

It is an amenable number.

5456557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5456557 is an equidigital number, since it uses as much as digits as its factorization.

5456557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105000, while the sum is 37.

The square root of 5456557 is about 2335.9274389415. The cubic root of 5456557 is about 176.0514334011.

The spelling of 5456557 in words is "five million, four hundred fifty-six thousand, five hundred fifty-seven".