85550194 has 4 divisors (see below), whose sum is σ = 128325294. Its totient is φ = 42775096.

The previous prime is 85550189. The next prime is 85550209. The reversal of 85550194 is 49105558.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49105558 = 2 ⋅24552779.

It can be written as a sum of positive squares in only one way, i.e., 48790225 + 36759969 = 6985^2 + 6063^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21387547 + ... + 21387550.

Almost surely, 2^85550194 is an apocalyptic number.

85550194 is a deficient number, since it is larger than the sum of its proper divisors (42775100).

85550194 is a wasteful number, since it uses less digits than its factorization.

85550194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42775099.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 85550194 is about 9249.3347868914. The cubic root of 85550194 is about 440.6295979870.

The spelling of 85550194 in words is "eighty-five million, five hundred fifty thousand, one hundred ninety-four".