85524442 has 32 divisors (see below), whose sum is σ = 138547584. Its totient is φ = 39494400.

The previous prime is 85524431. The next prime is 85524473. The reversal of 85524442 is 24442558.

It is a super-2 number, since 2×85524442² = 14628860358822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85524398 and 85524407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258217 + ... + 258547.

It is an arithmetic number, because the mean of its divisors is an integer number (4329612).

Almost surely, 2^85524442 is an apocalyptic number.

85524442 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

85524442 is a deficient number, since it is larger than the sum of its proper divisors (53023142).

85524442 is a wasteful number, since it uses less digits than its factorization.

85524442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534.

The product of its digits is 51200, while the sum is 34.

The square root of 85524442 is about 9247.9425820017. The cubic root of 85524442 is about 440.5853813245.

The spelling of 85524442 in words is "eighty-five million, five hundred twenty-four thousand, four hundred forty-two".