85054040 has 16 divisors (see below), whose sum is σ = 191371680. Its totient is φ = 34021600.

The previous prime is 85054037. The next prime is 85054061. The reversal of 85054040 is 4045058.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1063136 + ... + 1063215.

It is an arithmetic number, because the mean of its divisors is an integer number (11960730).

Almost surely, 2^85054040 is an apocalyptic number.

It is an amenable number.

85054040 is an abundant number, since it is smaller than the sum of its proper divisors (106317640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85054040 is a wasteful number, since it uses less digits than its factorization.

85054040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126362 (or 2126358 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 85054040 is about 9222.4747221123. The cubic root of 85054040 is about 439.7761257804.

Adding to 85054040 its reverse (4045058), we get a palindrome (89099098).

The spelling of 85054040 in words is "eighty-five million, fifty-four thousand, forty".