85255542 has 24 divisors (see below), whose sum is σ = 184941120. Its totient is φ = 28384560.

The previous prime is 85255537. The next prime is 85255543. The reversal of 85255542 is 24555258.

It is a happy number.

85255542 is a `hidden beast` number, since 85 + 25 + 554 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 85255497 and 85255506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85255543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16059 + ... + 20697.

It is an arithmetic number, because the mean of its divisors is an integer number (7705880).

Almost surely, 2^85255542 is an apocalyptic number.

85255542 is an abundant number, since it is smaller than the sum of its proper divisors (99685578).

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

85255542 is a wasteful number, since it uses less digits than its factorization.

85255542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668 (or 5665 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The square root of 85255542 is about 9233.3927675584. The cubic root of 85255542 is about 440.1231439068.

The spelling of 85255542 in words is "eighty-five million, two hundred fifty-five thousand, five hundred forty-two".