556197898 has 8 divisors (see below), whose sum is σ = 834506208. Its totient is φ = 278029164.

The previous prime is 556197869. The next prime is 556197907. The reversal of 556197898 is 898791655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×556197898² = 618712203479236808, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24286 + ... + 41257.

It is an arithmetic number, because the mean of its divisors is an integer number (104313276).

Almost surely, 2^556197898 is an apocalyptic number.

556197898 is a deficient number, since it is larger than the sum of its proper divisors (278308310).

556197898 is a wasteful number, since it uses less digits than its factorization.

556197898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69788.

The product of its digits is 5443200, while the sum is 58.

The square root of 556197898 is about 23583.8482440843. The cubic root of 556197898 is about 822.3873999521.

The spelling of 556197898 in words is "five hundred fifty-six million, one hundred ninety-seven thousand, eight hundred ninety-eight".