557312273 has 4 divisors (see below), whose sum is σ = 636928320. Its totient is φ = 477696228.

The previous prime is 557312267. The next prime is 557312279. The reversal of 557312273 is 372213755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (557312267) and next prime (557312279).

It is a cyclic number.

It is not a de Polignac number, because 557312273 - 2⁶ = 557312209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (557312279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39808013 + ... + 39808026.

It is an arithmetic number, because the mean of its divisors is an integer number (159232080).

Almost surely, 2^557312273 is an apocalyptic number.

It is an amenable number.

557312273 is a deficient number, since it is larger than the sum of its proper divisors (79616047).

557312273 is an equidigital number, since it uses as much as digits as its factorization.

557312273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79616046.

The product of its digits is 44100, while the sum is 35.

The square root of 557312273 is about 23607.4622312522. The cubic root of 557312273 is about 822.9362672948.

The spelling of 557312273 in words is "five hundred fifty-seven million, three hundred twelve thousand, two hundred seventy-three".