89965955 has 8 divisors (see below), whose sum is σ = 114309792. Its totient is φ = 67739008.

The previous prime is 89965919. The next prime is 89965957. The reversal of 89965955 is 55956998.

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

It is a cyclic number.

It is not a de Polignac number, because 89965955 - 2⁶ = 89965891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89965955.

It is not an unprimeable number, because it can be changed into a prime (89965957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529127 + ... + 529296.

It is an arithmetic number, because the mean of its divisors is an integer number (14288724).

Almost surely, 2^89965955 is an apocalyptic number.

89965955 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

89965955 is a deficient number, since it is larger than the sum of its proper divisors (24343837).

89965955 is a wasteful number, since it uses less digits than its factorization.

89965955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058445.

The product of its digits is 4374000, while the sum is 56.

The square root of 89965955 is about 9485.0384817353. The cubic root of 89965955 is about 448.0839603348.

The spelling of 89965955 in words is "eighty-nine million, nine hundred sixty-five thousand, nine hundred fifty-five".