85545507 has 8 divisors (see below), whose sum is σ = 114262720. Its totient is φ = 56929320.

The previous prime is 85545503. The next prime is 85545511. The reversal of 85545507 is 70554558.

It is an interprime number because it is at equal distance from previous prime (85545503) and next prime (85545511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85545507 - 2² = 85545503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85545503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23257 + ... + 26682.

It is an arithmetic number, because the mean of its divisors is an integer number (14282840).

Almost surely, 2^85545507 is an apocalyptic number.

85545507 is a deficient number, since it is larger than the sum of its proper divisors (28717213).

85545507 is a wasteful number, since it uses less digits than its factorization.

85545507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50513.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 85545507 is about 9249.0814138486. The cubic root of 85545507 is about 440.6215509815.

The spelling of 85545507 in words is "eighty-five million, five hundred forty-five thousand, five hundred seven".