99955598 has 8 divisors (see below), whose sum is σ = 149999040. Its totient is φ = 49955920.

The previous prime is 99955589. The next prime is 99955601. The reversal of 99955598 is 89555999.

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

It is a super-2 number, since 2×99955598² = 19982243143075208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4463 + ... + 14826.

It is an arithmetic number, because the mean of its divisors is an integer number (18749880).

Almost surely, 2^99955598 is an apocalyptic number.

99955598 is a deficient number, since it is larger than the sum of its proper divisors (50043442).

99955598 is a wasteful number, since it uses less digits than its factorization.

99955598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21882.

The product of its digits is 6561000, while the sum is 59.

The square root of 99955598 is about 9997.7796535031. The cubic root of 99955598 is about 464.0901745818.

The spelling of 99955598 in words is "ninety-nine million, nine hundred fifty-five thousand, five hundred ninety-eight".