557486272 has 56 divisors (see below), whose sum is σ = 1271784096. Its totient is φ = 237508608.

The previous prime is 557486233. The next prime is 557486273. The reversal of 557486272 is 272684755.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-3 number, since 3×557486272³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557486273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73908 + ... + 81100.

Almost surely, 2^557486272 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 557486272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635892048).

557486272 is an abundant number, since it is smaller than the sum of its proper divisors (714297824).

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

557486272 is a wasteful number, since it uses less digits than its factorization.

557486272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7385 (or 7375 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 557486272 is about 23611.1471978809. The cubic root of 557486272 is about 823.0219016242.

The spelling of 557486272 in words is "five hundred fifty-seven million, four hundred eighty-six thousand, two hundred seventy-two".