91552 has 12 divisors (see below), whose sum is σ = 180306. Its totient is φ = 45760.

The previous prime is 91541. The next prime is 91571. The reversal of 91552 is 25519.

It can be written as a sum of positive squares in only one way, i.e., 76176 + 15376 = 276^2 + 124^2 .

It is an Ulam number.

It is an unprimeable number.

91552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399 + ... + 1462.

2⁹¹⁵⁵² is an apocalyptic number.

It is an amenable number.

91552 is a deficient number, since it is larger than the sum of its proper divisors (88754).

91552 is a wasteful number, since it uses less digits than its factorization.

91552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871 (or 2863 counting only the distinct ones).

The product of its digits is 450, while the sum is 22.

The square root of 91552 is about 302.5756103852. The cubic root of 91552 is about 45.0701785638.

The spelling of 91552 in words is "ninety-one thousand, five hundred fifty-two".