99955011 has 32 divisors (see below), whose sum is σ = 146764800. Its totient is φ = 60142464.

The previous prime is 99955003. The next prime is 99955021. The reversal of 99955011 is 11055999.

It is not a de Polignac number, because 99955011 - 2³ = 99955003 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (99955021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598450 + ... + 598616.

It is an arithmetic number, because the mean of its divisors is an integer number (4586400).

Almost surely, 2^99955011 is an apocalyptic number.

99955011 is a deficient number, since it is larger than the sum of its proper divisors (46809789).

99955011 is a wasteful number, since it uses less digits than its factorization.

99955011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435.

The product of its (nonzero) digits is 18225, while the sum is 39.

The square root of 99955011 is about 9997.7502969418. The cubic root of 99955011 is about 464.0892661069.

The spelling of 99955011 in words is "ninety-nine million, nine hundred fifty-five thousand, eleven".