85403544 has 16 divisors (see below), whose sum is σ = 213508920. Its totient is φ = 28467840.

The previous prime is 85403519. The next prime is 85403561. The reversal of 85403544 is 44530458.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1779217 + ... + 1779264.

Almost surely, 2^85403544 is an apocalyptic number.

It is an amenable number.

85403544 is an abundant number, since it is smaller than the sum of its proper divisors (128105376).

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

85403544 is a wasteful number, since it uses less digits than its factorization.

85403544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558490 (or 3558486 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 85403544 is about 9241.4037894684. The cubic root of 85403544 is about 440.3776784779.

The spelling of 85403544 in words is "eighty-five million, four hundred three thousand, five hundred forty-four".