99915053 has 16 divisors (see below), whose sum is σ = 120589440. Its totient is φ = 81095040.

The previous prime is 99915043. The next prime is 99915061. The reversal of 99915053 is 35051999.

It is not a de Polignac number, because 99915053 - 2⁴ = 99915037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 99915053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99915043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46973 + ... + 49053.

It is an arithmetic number, because the mean of its divisors is an integer number (7536840).

Almost surely, 2^99915053 is an apocalyptic number.

It is an amenable number.

99915053 is a deficient number, since it is larger than the sum of its proper divisors (20674387).

99915053 is an equidigital number, since it uses as much as digits as its factorization.

99915053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 54675, while the sum is 41.

The square root of 99915053 is about 9995.7517476176. The cubic root of 99915053 is about 464.0274164463.

The spelling of 99915053 in words is "ninety-nine million, nine hundred fifteen thousand, fifty-three".