89199955 has 8 divisors (see below), whose sum is σ = 115273872. Its totient is φ = 65870688.

The previous prime is 89199947. The next prime is 89199961. The reversal of 89199955 is 55999198.

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

It is not a de Polignac number, because 89199955 - 2³ = 89199947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89199896 and 89199905.

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, 686089 + ... + 686218.

It is an arithmetic number, because the mean of its divisors is an integer number (14409234).

Almost surely, 2^89199955 is an apocalyptic number.

89199955 is a deficient number, since it is larger than the sum of its proper divisors (26073917).

89199955 is a wasteful number, since it uses less digits than its factorization.

89199955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372325.

The product of its digits is 1312200, while the sum is 55.

The square root of 89199955 is about 9444.5727801738. The cubic root of 89199955 is about 446.8086220544.

The spelling of 89199955 in words is "eighty-nine million, one hundred ninety-nine thousand, nine hundred fifty-five".