85054111 has 16 divisors (see below), whose sum is σ = 93477888. Its totient is φ = 77040000.

The previous prime is 85054103. The next prime is 85054139. The reversal of 85054111 is 11145058.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 85054111 - 2³ = 85054103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85054141) 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, 131956 + ... + 132598.

It is an arithmetic number, because the mean of its divisors is an integer number (5842368).

Almost surely, 2^85054111 is an apocalyptic number.

85054111 is a deficient number, since it is larger than the sum of its proper divisors (8423777).

85054111 is a wasteful number, since it uses less digits than its factorization.

85054111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 85054111 is about 9222.4785714037. The cubic root of 85054111 is about 439.7762481500.

Adding to 85054111 its reverse (11145058), we get a palindrome (96199169).

The spelling of 85054111 in words is "eighty-five million, fifty-four thousand, one hundred eleven".