557164073 has 8 divisors (see below), whose sum is σ = 562801800. Its totient is φ = 551536128.

The previous prime is 557164031. The next prime is 557164079. The reversal of 557164073 is 370461755.

It can be written as a sum of positive squares in 4 ways, for example, as 250493929 + 306670144 = 15827^2 + 17512^2 .

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 557164073 - 2²⁴ = 540386857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557164079) 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, 174233 + ... + 177401.

It is an arithmetic number, because the mean of its divisors is an integer number (70350225).

Almost surely, 2^557164073 is an apocalyptic number.

It is an amenable number.

557164073 is a deficient number, since it is larger than the sum of its proper divisors (5637727).

557164073 is a wasteful number, since it uses less digits than its factorization.

557164073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4891.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 557164073 is about 23604.3231845355. The cubic root of 557164073 is about 822.8633159934.

The spelling of 557164073 in words is "five hundred fifty-seven million, one hundred sixty-four thousand, seventy-three".