85555542 has 8 divisors (see below), whose sum is σ = 171111096. Its totient is φ = 28518512.

The previous prime is 85555529. The next prime is 85555553. The reversal of 85555542 is 24555558.

It is a sphenic number, since it is the product of 3 distinct primes.

85555542 is an admirable number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 85555542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7129623 + ... + 7129634.

It is an arithmetic number, because the mean of its divisors is an integer number (21388887).

Almost surely, 2^85555542 is an apocalyptic number.

85555542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85555542 is a wasteful number, since it uses less digits than its factorization.

85555542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14259262.

The product of its digits is 200000, while the sum is 39.

The square root of 85555542 is about 9249.6238842452. The cubic root of 85555542 is about 440.6387794896.

The spelling of 85555542 in words is "eighty-five million, five hundred fifty-five thousand, five hundred forty-two".