85435450 has 24 divisors (see below), whose sum is σ = 164392380. Its totient is φ = 32995200.

The previous prime is 85435423. The next prime is 85435451. The reversal of 85435450 is 5453458.

It can be written as a sum of positive squares in 6 ways, for example, as 21930489 + 63504961 = 4683^2 + 7969^2 .

It is a super-2 number, since 2×85435450² = 14598432233405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85435451) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 28011 + ... + 30910.

Almost surely, 2^85435450 is an apocalyptic number.

85435450 is a deficient number, since it is larger than the sum of its proper divisors (78956930).

85435450 is a wasteful number, since it uses less digits than its factorization.

85435450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58962 (or 58957 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 85435450 is about 9243.1298811604. The cubic root of 85435450 is about 440.4325120370.

The spelling of 85435450 in words is "eighty-five million, four hundred thirty-five thousand, four hundred fifty".