99952155 has 12 divisors (see below), whose sum is σ = 173250480. Its totient is φ = 53307792.

The previous prime is 99952147. The next prime is 99952159. The reversal of 99952155 is 55125999.

It is not a de Polignac number, because 99952155 - 2³ = 99952147 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2221159 = 99952155 / (9 + 9 + 9 + 5 + 2 + 1 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 99952155.

It is not an unprimeable number, because it can be changed into a prime (99952159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1110535 + ... + 1110624.

It is an arithmetic number, because the mean of its divisors is an integer number (14437540).

Almost surely, 2^99952155 is an apocalyptic number.

99952155 is a deficient number, since it is larger than the sum of its proper divisors (73298325).

99952155 is a wasteful number, since it uses less digits than its factorization.

99952155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221170 (or 2221167 counting only the distinct ones).

The product of its digits is 182250, while the sum is 45.

The square root of 99952155 is about 9997.6074637885. The cubic root of 99952155 is about 464.0848459464.

The spelling of 99952155 in words is "ninety-nine million, nine hundred fifty-two thousand, one hundred fifty-five".