85540852 has 12 divisors (see below), whose sum is σ = 149810080. Its totient is φ = 42737976.

The previous prime is 85540823. The next prime is 85540853. The reversal of 85540852 is 25804558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85540853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1602 + ... + 13177.

Almost surely, 2^85540852 is an apocalyptic number.

It is an amenable number.

85540852 is a deficient number, since it is larger than the sum of its proper divisors (64269228).

85540852 is a wasteful number, since it uses less digits than its factorization.

85540852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16230 (or 16228 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 85540852 is about 9248.8297638134. The cubic root of 85540852 is about 440.6135586252.

The spelling of 85540852 in words is "eighty-five million, five hundred forty thousand, eight hundred fifty-two".