557554998 has 192 divisors, whose sum is σ = 1554135552. Its totient is φ = 129392640.

The previous prime is 557554979. The next prime is 557554999. The reversal of 557554998 is 899455755.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557554999) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2888790 + ... + 2888982.

It is an arithmetic number, because the mean of its divisors is an integer number (8094456).

Almost surely, 2^557554998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557554998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777067776).

557554998 is an abundant number, since it is smaller than the sum of its proper divisors (996580554).

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

557554998 is a wasteful number, since it uses less digits than its factorization.

557554998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 266 counting only the distinct ones).

The product of its digits is 11340000, while the sum is 57.

The square root of 557554998 is about 23612.6025249230. The cubic root of 557554998 is about 823.0557205012.

It can be divided in two parts, 557 and 554998, that added together give a palindrome (555555).

The spelling of 557554998 in words is "five hundred fifty-seven million, five hundred fifty-four thousand, nine hundred ninety-eight".