91536552 has 48 divisors (see below), whose sum is σ = 255914880. Its totient is φ = 29527200.

The previous prime is 91536491. The next prime is 91536563. The reversal of 91536552 is 25563519.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18274 + ... + 22737.

It is an arithmetic number, because the mean of its divisors is an integer number (5331560).

Almost surely, 2^91536552 is an apocalyptic number.

It is an amenable number.

91536552 is an abundant number, since it is smaller than the sum of its proper divisors (164378328).

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

91536552 is a wasteful number, since it uses less digits than its factorization.

91536552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41054 (or 41047 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 91536552 is about 9567.4736477296. The cubic root of 91536552 is about 450.6764345342.

The spelling of 91536552 in words is "ninety-one million, five hundred thirty-six thousand, five hundred fifty-two".