557056541 has 2 divisors, whose sum is σ = 557056542. Its totient is φ = 557056540.

The previous prime is 557056537. The next prime is 557056589. The reversal of 557056541 is 145650755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358950916 + 198105625 = 18946^2 + 14075^2 .

It is a cyclic number.

It is not a de Polignac number, because 557056541 - 2² = 557056537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 557056495 and 557056504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557056501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278528270 + 278528271.

It is an arithmetic number, because the mean of its divisors is an integer number (278528271).

Almost surely, 2^557056541 is an apocalyptic number.

It is an amenable number.

557056541 is a deficient number, since it is larger than the sum of its proper divisors (1).

557056541 is an equidigital number, since it uses as much as digits as its factorization.

557056541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 38.

The square root of 557056541 is about 23602.0452715437. The cubic root of 557056541 is about 822.8103753753.

The spelling of 557056541 in words is "five hundred fifty-seven million, fifty-six thousand, five hundred forty-one".