85529152 has 14 divisors (see below), whose sum is σ = 169722038. Its totient is φ = 42764544.

The previous prime is 85529141. The next prime is 85529153. The reversal of 85529152 is 25192558.

It can be written as a sum of positive squares in only one way, i.e., 81432576 + 4096576 = 9024^2 + 2024^2 .

It is not an unprimeable number, because it can be changed into a prime (85529153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668133 + ... + 668260.

Almost surely, 2^85529152 is an apocalyptic number.

It is an amenable number.

85529152 is a deficient number, since it is larger than the sum of its proper divisors (84192886).

85529152 is a wasteful number, since it uses less digits than its factorization.

85529152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336405 (or 1336395 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 85529152 is about 9248.1972297308. The cubic root of 85529152 is about 440.5934691452.

The spelling of 85529152 in words is "eighty-five million, five hundred twenty-nine thousand, one hundred fifty-two".