91354950 has 36 divisors (see below), whose sum is σ = 245441508. Its totient is φ = 24361200.

The previous prime is 91354943. The next prime is 91354973. The reversal of 91354950 is 5945319.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 101056 + ... + 101955.

Almost surely, 2^91354950 is an apocalyptic number.

91354950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

91354950 is an abundant number, since it is smaller than the sum of its proper divisors (154086558).

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

91354950 is a wasteful number, since it uses less digits than its factorization.

91354950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203029 (or 203021 counting only the distinct ones).

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

The square root of 91354950 is about 9557.9783427250. The cubic root of 91354950 is about 450.3782005724.

The spelling of 91354950 in words is "ninety-one million, three hundred fifty-four thousand, nine hundred fifty".