85539000 has 64 divisors (see below), whose sum is σ = 266891040. Its totient is φ = 22809600.

The previous prime is 85538993. The next prime is 85539023. The reversal of 85539000 is 93558.

It is a super-3 number, since 3×85539000³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11257 + ... + 17256.

Almost surely, 2^85539000 is an apocalyptic number.

It is an amenable number.

85539000 is an abundant number, since it is smaller than the sum of its proper divisors (181352040).

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

85539000 is a wasteful number, since it uses less digits than its factorization.

85539000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28537 (or 28523 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 85539000 is about 9248.7296424969. The cubic root of 85539000 is about 440.6103787714.

The spelling of 85539000 in words is "eighty-five million, five hundred thirty-nine thousand".