85161050 has 48 divisors (see below), whose sum is σ = 175243992. Its totient is φ = 30585600.

The previous prime is 85161049. The next prime is 85161067. The reversal of 85161050 is 5016158.

It can be written as a sum of positive squares in 12 ways, for example, as 4897369 + 80263681 = 2213^2 + 8959^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22280 + ... + 25820.

Almost surely, 2^85161050 is an apocalyptic number.

85161050 is an abundant number, since it is smaller than the sum of its proper divisors (90082942).

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

85161050 is a wasteful number, since it uses less digits than its factorization.

85161050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603 (or 3598 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 85161050 is about 9228.2744865982. The cubic root of 85161050 is about 439.9604819880.

The spelling of 85161050 in words is "eighty-five million, one hundred sixty-one thousand, fifty".