557899452 has 72 divisors (see below), whose sum is σ = 1541462832. Its totient is φ = 168729600.

The previous prime is 557899439. The next prime is 557899453. The reversal of 557899452 is 254998755.

557899452 is a `hidden beast` number, since 557 + 89 + 9 + 4 + 5 + 2 = 666.

It is a super-2 number, since 2×557899452² = 622503597083800608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557899453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267052 + ... + 269132.

It is an arithmetic number, because the mean of its divisors is an integer number (21409206).

Almost surely, 2^557899452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557899452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770731416).

557899452 is an abundant number, since it is smaller than the sum of its proper divisors (983563380).

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

557899452 is a wasteful number, since it uses less digits than its factorization.

557899452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2774 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The square root of 557899452 is about 23619.8952580235. The cubic root of 557899452 is about 823.2251785061.

It can be divided in two parts, 557 and 899452, that added together give a palindrome (900009).

The spelling of 557899452 in words is "five hundred fifty-seven million, eight hundred ninety-nine thousand, four hundred fifty-two".