557534481 has 16 divisors (see below), whose sum is σ = 854275968. Its totient is φ = 316828800.

The previous prime is 557534479. The next prime is 557534531. The reversal of 557534481 is 184435755.

It is a happy number.

It is not a de Polignac number, because 557534481 - 2¹ = 557534479 is a prime.

It is a super-2 number, since 2×557534481² = 621689395007878722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557534381) 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 15 ways as a sum of consecutive naturals, for example, 69540 + ... + 77141.

It is an arithmetic number, because the mean of its divisors is an integer number (53392248).

Almost surely, 2^557534481 is an apocalyptic number.

It is an amenable number.

557534481 is a deficient number, since it is larger than the sum of its proper divisors (296741487).

557534481 is a wasteful number, since it uses less digits than its factorization.

557534481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146872.

The product of its digits is 336000, while the sum is 42.

The square root of 557534481 is about 23612.1680707215. The cubic root of 557534481 is about 823.0456247311.

The spelling of 557534481 in words is "five hundred fifty-seven million, five hundred thirty-four thousand, four hundred eighty-one".