557144473 has 2 divisors, whose sum is σ = 557144474. Its totient is φ = 557144472.

The previous prime is 557144459. The next prime is 557144477. The reversal of 557144473 is 374441755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512026384 + 45118089 = 22628^2 + 6717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557144473 is a prime.

It is not a weakly prime, because it can be changed into another prime (557144477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278572236 + 278572237.

It is an arithmetic number, because the mean of its divisors is an integer number (278572237).

Almost surely, 2^557144473 is an apocalyptic number.

It is an amenable number.

557144473 is a deficient number, since it is larger than the sum of its proper divisors (1).

557144473 is an equidigital number, since it uses as much as digits as its factorization.

557144473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 40.

The square root of 557144473 is about 23603.9080027016. The cubic root of 557144473 is about 822.8536669445.

The spelling of 557144473 in words is "five hundred fifty-seven million, one hundred forty-four thousand, four hundred seventy-three".