85581050 has 12 divisors (see below), whose sum is σ = 159180846. Its totient is φ = 34232400.

The previous prime is 85581047. The next prime is 85581071. The reversal of 85581050 is 5018558.

It can be written as a sum of positive squares in 3 ways, for example, as 78836641 + 6744409 = 8879^2 + 2597^2 .

It is a super-2 number, since 2×85581050² = 14648232238205000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85580998 and 85581016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 855761 + ... + 855860.

Almost surely, 2^85581050 is an apocalyptic number.

85581050 is a deficient number, since it is larger than the sum of its proper divisors (73599796).

85581050 is a wasteful number, since it uses less digits than its factorization.

85581050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711633 (or 1711628 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

The square root of 85581050 is about 9251.0026483620. The cubic root of 85581050 is about 440.6825666282.

The spelling of 85581050 in words is "eighty-five million, five hundred eighty-one thousand, fifty".