91549053 has 12 divisors (see below), whose sum is σ = 132344160. Its totient is φ = 60983496.

The previous prime is 91549043. The next prime is 91549069. The reversal of 91549053 is 35094519.

It is not a de Polignac number, because 91549053 - 2¹⁰ = 91548029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91548999 and 91549017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91549043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10368 + ... + 17046.

It is an arithmetic number, because the mean of its divisors is an integer number (11028680).

Almost surely, 2^91549053 is an apocalyptic number.

It is an amenable number.

91549053 is a deficient number, since it is larger than the sum of its proper divisors (40795107).

91549053 is a wasteful number, since it uses less digits than its factorization.

91549053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 91549053 is about 9568.1269326865. The cubic root of 91549053 is about 450.6969496528.

The spelling of 91549053 in words is "ninety-one million, five hundred forty-nine thousand, fifty-three".