557287898 has 16 divisors (see below), whose sum is σ = 896533920. Its totient is φ = 258996816.

The previous prime is 557287891. The next prime is 557287901. The reversal of 557287898 is 898782755.

557287898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (557287891) 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, 136340 + ... + 140367.

It is an arithmetic number, because the mean of its divisors is an integer number (56033370).

Almost surely, 2^557287898 is an apocalyptic number.

557287898 is a deficient number, since it is larger than the sum of its proper divisors (339246022).

557287898 is a wasteful number, since it uses less digits than its factorization.

557287898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276781.

The product of its digits is 11289600, while the sum is 59.

The square root of 557287898 is about 23606.9459693540. The cubic root of 557287898 is about 822.9242696142.

The spelling of 557287898 in words is "five hundred fifty-seven million, two hundred eighty-seven thousand, eight hundred ninety-eight".