91053828 has 24 divisors (see below), whose sum is σ = 236065760. Its totient is φ = 30351240.

The previous prime is 91053827. The next prime is 91053829. The reversal of 91053828 is 82835019.

It is an interprime number because it is at equal distance from previous prime (91053827) and next prime (91053829).

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

It is a junction number, because it is equal to n+sod(n) for n = 91053792 and 91053801.

It is not an unprimeable number, because it can be changed into a prime (91053827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421438 + ... + 421653.

Almost surely, 2^91053828 is an apocalyptic number.

It is an amenable number.

91053828 is an abundant number, since it is smaller than the sum of its proper divisors (145011932).

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

91053828 is a wasteful number, since it uses less digits than its factorization.

91053828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843104 (or 843096 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 91053828 is about 9542.2129508830. The cubic root of 91053828 is about 449.8828139303.

The spelling of 91053828 in words is "ninety-one million, fifty-three thousand, eight hundred twenty-eight".