91267050 has 96 divisors (see below), whose sum is σ = 273946752. Its totient is φ = 19630080.

The previous prime is 91267039. The next prime is 91267061. The reversal of 91267050 is 5076219.

It is an interprime number because it is at equal distance from previous prime (91267039) and next prime (91267061).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91266999 and 91267017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15294 + ... + 20406.

It is an arithmetic number, because the mean of its divisors is an integer number (2853612).

Almost surely, 2^91267050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91267050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136973376).

91267050 is an abundant number, since it is smaller than the sum of its proper divisors (182679702).

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

91267050 is a wasteful number, since it uses less digits than its factorization.

91267050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5152 (or 5147 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 91267050 is about 9553.3789833755. The cubic root of 91267050 is about 450.2337057653.

The spelling of 91267050 in words is "ninety-one million, two hundred sixty-seven thousand, fifty".