99955604 has 24 divisors (see below), whose sum is σ = 201492480. Its totient is φ = 42499296.

The previous prime is 99955601. The next prime is 99955613. The reversal of 99955604 is 40655999.

It is a super-2 number, since 2×99955604² = 19982245542009632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99955601) 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, 10499 + ... + 17610.

It is an arithmetic number, because the mean of its divisors is an integer number (8395520).

Almost surely, 2^99955604 is an apocalyptic number.

It is an amenable number.

99955604 is an abundant number, since it is smaller than the sum of its proper divisors (101536876).

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

99955604 is a wasteful number, since it uses less digits than its factorization.

99955604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28247 (or 28245 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 99955604 is about 9997.7799535697. The cubic root of 99955604 is about 464.0901838677.

The spelling of 99955604 in words is "ninety-nine million, nine hundred fifty-five thousand, six hundred four".