85550015 has 8 divisors (see below), whose sum is σ = 102711840. Its totient is φ = 68405472.

The previous prime is 85549993. The next prime is 85550033. The reversal of 85550015 is 51005558.

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

It is a cyclic number.

It is not a de Polignac number, because 85550015 - 2¹² = 85545919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85550015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12617 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (12838980).

Almost surely, 2^85550015 is an apocalyptic number.

85550015 is a deficient number, since it is larger than the sum of its proper divisors (17161825).

85550015 is a wasteful number, since it uses less digits than its factorization.

85550015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 85550015 is about 9249.3251105148. The cubic root of 85550015 is about 440.6292906713.

The spelling of 85550015 in words is "eighty-five million, five hundred fifty thousand, fifteen".