457330557 has 4 divisors (see below), whose sum is σ = 609774080. Its totient is φ = 304887036.

The previous prime is 457330483. The next prime is 457330561. The reversal of 457330557 is 755033754.

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 not a de Polignac number, because 457330557 - 2¹⁰ = 457329533 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 (457330157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76221757 + ... + 76221762.

It is an arithmetic number, because the mean of its divisors is an integer number (152443520).

Almost surely, 2^457330557 is an apocalyptic number.

It is an amenable number.

457330557 is a deficient number, since it is larger than the sum of its proper divisors (152443523).

457330557 is a wasteful number, since it uses less digits than its factorization.

457330557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152443522.

The product of its (nonzero) digits is 220500, while the sum is 39.

The square root of 457330557 is about 21385.2883309999. The cubic root of 457330557 is about 770.4481323494.

The spelling of 457330557 in words is "four hundred fifty-seven million, three hundred thirty thousand, five hundred fifty-seven".