555863898 has 16 divisors (see below), whose sum is σ = 1130571360. Its totient is φ = 182147376.

The previous prime is 555863897. The next prime is 555863939. The reversal of 555863898 is 898368555.

It is not an unprimeable number, because it can be changed into a prime (555863897) 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, 784765 + ... + 785472.

It is an arithmetic number, because the mean of its divisors is an integer number (70660710).

Almost surely, 2^555863898 is an apocalyptic number.

555863898 is an abundant number, since it is smaller than the sum of its proper divisors (574707462).

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

555863898 is a wasteful number, since it uses less digits than its factorization.

555863898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570301.

The product of its digits is 10368000, while the sum is 57.

The square root of 555863898 is about 23576.7660632242. The cubic root of 555863898 is about 822.2227508870. Note that the first 3 decimals are identical.

The spelling of 555863898 in words is "five hundred fifty-five million, eight hundred sixty-three thousand, eight hundred ninety-eight".