85649355 has 48 divisors (see below), whose sum is σ = 169019136. Its totient is φ = 39716160.

The previous prime is 85649353. The next prime is 85649357. The reversal of 85649355 is 55394658.

It is an interprime number because it is at equal distance from previous prime (85649353) and next prime (85649357).

It is not a de Polignac number, because 85649355 - 2¹ = 85649353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 85649355.

It is not an unprimeable number, because it can be changed into a prime (85649353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7624 + ... + 15146.

It is an arithmetic number, because the mean of its divisors is an integer number (3521232).

Almost surely, 2^85649355 is an apocalyptic number.

85649355 is a deficient number, since it is larger than the sum of its proper divisors (83369781).

85649355 is a wasteful number, since it uses less digits than its factorization.

85649355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568 (or 7565 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 85649355 is about 9254.6936740229. The cubic root of 85649355 is about 440.7997764472.

The spelling of 85649355 in words is "eighty-five million, six hundred forty-nine thousand, three hundred fifty-five".