85565542 has 8 divisors (see below), whose sum is σ = 129285576. Its totient is φ = 42470352.

The previous prime is 85565537. The next prime is 85565561. The reversal of 85565542 is 24556558.

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

It is a junction number, because it is equal to n+sod(n) for n = 85565495 and 85565504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155868 + ... + 156415.

It is an arithmetic number, because the mean of its divisors is an integer number (16160697).

Almost surely, 2^85565542 is an apocalyptic number.

85565542 is a deficient number, since it is larger than the sum of its proper divisors (43720034).

85565542 is a wasteful number, since it uses less digits than its factorization.

85565542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312422.

The product of its digits is 240000, while the sum is 40.

The square root of 85565542 is about 9250.1644309709. The cubic root of 85565542 is about 440.6559465681.

The spelling of 85565542 in words is "eighty-five million, five hundred sixty-five thousand, five hundred forty-two".