557953420 has 24 divisors (see below), whose sum is σ = 1200282048. Its totient is φ = 217737600.

The previous prime is 557953349. The next prime is 557953427. The reversal of 557953420 is 24359755.

It is a super-2 number, since 2×557953420² = 622624037779392800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557953427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339396 + ... + 341035.

It is an arithmetic number, because the mean of its divisors is an integer number (50011752).

Almost surely, 2^557953420 is an apocalyptic number.

It is an amenable number.

557953420 is an abundant number, since it is smaller than the sum of its proper divisors (642328628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557953420 is a wasteful number, since it uses less digits than its factorization.

557953420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680481 (or 680479 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 557953420 is about 23621.0376571395. The cubic root of 557953420 is about 823.2517223476.

The spelling of 557953420 in words is "five hundred fifty-seven million, nine hundred fifty-three thousand, four hundred twenty".