85757532 has 48 divisors (see below), whose sum is σ = 236070912. Its totient is φ = 23711040.

The previous prime is 85757531. The next prime is 85757533. The reversal of 85757532 is 23575758.

It is an interprime number because it is at equal distance from previous prime (85757531) and next prime (85757533).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85757531) 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 15 ways as a sum of consecutive naturals, for example, 13863 + ... + 19070.

It is an arithmetic number, because the mean of its divisors is an integer number (4918144).

Almost surely, 2^85757532 is an apocalyptic number.

It is an amenable number.

85757532 is an abundant number, since it is smaller than the sum of its proper divisors (150313380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85757532 is a wasteful number, since it uses less digits than its factorization.

85757532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32978 (or 32976 counting only the distinct ones).

The product of its digits is 294000, while the sum is 42.

The square root of 85757532 is about 9260.5362695688. The cubic root of 85757532 is about 440.9852782761.

The spelling of 85757532 in words is "eighty-five million, seven hundred fifty-seven thousand, five hundred thirty-two".