99755 has 8 divisors (see below), whose sum is σ = 121824. Its totient is φ = 78400.

The previous prime is 99733. The next prime is 99761. The reversal of 99755 is 55799.

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

It is not a de Polignac number, because 99755 - 2¹⁰ = 98731 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (15228).

2⁹⁹⁷⁵⁵ is an apocalyptic number.

99755 is a deficient number, since it is larger than the sum of its proper divisors (22069).

99755 is a wasteful number, since it uses less digits than its factorization.

99755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its digits is 14175, while the sum is 35.

The square root of 99755 is about 315.8401494427. The cubic root of 99755 is about 46.3779510283.

Subtracting from 99755 its reverse (55799), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 99755 in words is "ninety-nine thousand, seven hundred fifty-five".