557066557 has 8 divisors (see below), whose sum is σ = 590241600. Its totient is φ = 523936704.

The previous prime is 557066551. The next prime is 557066563. The reversal of 557066557 is 755660755.

It is an interprime number because it is at equal distance from previous prime (557066551) and next prime (557066563).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557066557 - 2⁷ = 557066429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557066551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15994 + ... + 37012.

It is an arithmetic number, because the mean of its divisors is an integer number (73780200).

Almost surely, 2^557066557 is an apocalyptic number.

It is an amenable number.

557066557 is a deficient number, since it is larger than the sum of its proper divisors (33175043).

557066557 is a wasteful number, since it uses less digits than its factorization.

557066557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22595.

The product of its (nonzero) digits is 1102500, while the sum is 46.

The square root of 557066557 is about 23602.2574555910. The cubic root of 557066557 is about 822.8153067834.

It can be divided in two parts, 5570 and 66557, that added together give a palindrome (72127).

The spelling of 557066557 in words is "five hundred fifty-seven million, sixty-six thousand, five hundred fifty-seven".