91543852 has 6 divisors (see below), whose sum is σ = 160201748. Its totient is φ = 45771924.

The previous prime is 91543849. The next prime is 91543853. The reversal of 91543852 is 25834519.

It is not an unprimeable number, because it can be changed into a prime (91543853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11442978 + ... + 11442985.

Almost surely, 2^91543852 is an apocalyptic number.

It is an amenable number.

91543852 is a deficient number, since it is larger than the sum of its proper divisors (68657896).

91543852 is a wasteful number, since it uses less digits than its factorization.

91543852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22885967 (or 22885965 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 91543852 is about 9567.8551410439. The cubic root of 91543852 is about 450.6884146319.

The spelling of 91543852 in words is "ninety-one million, five hundred forty-three thousand, eight hundred fifty-two".