85550355 has 24 divisors (see below), whose sum is σ = 161768880. Its totient is φ = 41478720.

The previous prime is 85550347. The next prime is 85550383. The reversal of 85550355 is 55305558.

It is not a de Polignac number, because 85550355 - 2³ = 85550347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85920 + ... + 86909.

It is an arithmetic number, because the mean of its divisors is an integer number (6740370).

Almost surely, 2^85550355 is an apocalyptic number.

85550355 is a deficient number, since it is larger than the sum of its proper divisors (76218525).

85550355 is a wasteful number, since it uses less digits than its factorization.

85550355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172851 (or 172848 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 85550355 is about 9249.3434902159. The cubic root of 85550355 is about 440.6298743991.

It can be divided in two parts, 855503 and 55, that added together give a palindrome (855558).

The spelling of 85550355 in words is "eighty-five million, five hundred fifty thousand, three hundred fifty-five".