557797098 has 32 divisors (see below), whose sum is σ = 1243391040. Its totient is φ = 165784320.

The previous prime is 557797091. The next prime is 557797109. The reversal of 557797098 is 890797755.

It is a super-2 number, since 2×557797098² = 622275205074443208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (557797091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141973 + ... + 145848.

It is an arithmetic number, because the mean of its divisors is an integer number (38855970).

Almost surely, 2^557797098 is an apocalyptic number.

557797098 is an abundant number, since it is smaller than the sum of its proper divisors (685593942).

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

557797098 is a wasteful number, since it uses less digits than its factorization.

557797098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287862.

The product of its (nonzero) digits is 5556600, while the sum is 57.

The square root of 557797098 is about 23617.7284682503. The cubic root of 557797098 is about 823.1748315944.

The spelling of 557797098 in words is "five hundred fifty-seven million, seven hundred ninety-seven thousand, ninety-eight".