557265457 has 8 divisors (see below), whose sum is σ = 674338176. Its totient is φ = 449558592.

The previous prime is 557265437. The next prime is 557265461. The reversal of 557265457 is 754562755.

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

It is not a de Polignac number, because 557265457 - 2²³ = 548876849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557265407) 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, 2341333 + ... + 2341570.

It is an arithmetic number, because the mean of its divisors is an integer number (84292272).

Almost surely, 2^557265457 is an apocalyptic number.

It is an amenable number.

557265457 is a deficient number, since it is larger than the sum of its proper divisors (117072719).

557265457 is a wasteful number, since it uses less digits than its factorization.

557265457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682927.

The product of its digits is 1470000, while the sum is 46.

The square root of 557265457 is about 23606.4706595459. The cubic root of 557265457 is about 822.9132235633.

The spelling of 557265457 in words is "five hundred fifty-seven million, two hundred sixty-five thousand, four hundred fifty-seven".