91236053 has 8 divisors (see below), whose sum is σ = 92970240. Its totient is φ = 89509680.

The previous prime is 91236031. The next prime is 91236091. The reversal of 91236053 is 35063219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91236053 - 2²² = 87041749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91236023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25076 + ... + 28482.

It is an arithmetic number, because the mean of its divisors is an integer number (11621280).

Almost surely, 2^91236053 is an apocalyptic number.

It is an amenable number.

91236053 is a deficient number, since it is larger than the sum of its proper divisors (1734187).

91236053 is a wasteful number, since it uses less digits than its factorization.

91236053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 91236053 is about 9551.7565400297. The cubic root of 91236053 is about 450.1827290823.

The spelling of 91236053 in words is "ninety-one million, two hundred thirty-six thousand, fifty-three".