91552733 has 2 divisors, whose sum is σ = 91552734. Its totient is φ = 91552732.

The previous prime is 91552729. The next prime is 91552751. The reversal of 91552733 is 33725519.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 41242084 = 7093^2 + 6422^2 .

It is a cyclic number.

It is not a de Polignac number, because 91552733 - 2² = 91552729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91552693 and 91552702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91552793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45776366 + 45776367.

It is an arithmetic number, because the mean of its divisors is an integer number (45776367).

Almost surely, 2^91552733 is an apocalyptic number.

It is an amenable number.

91552733 is a deficient number, since it is larger than the sum of its proper divisors (1).

91552733 is an equidigital number, since it uses as much as digits as its factorization.

91552733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 91552733 is about 9568.3192358951. The cubic root of 91552733 is about 450.7029884647.

The spelling of 91552733 in words is "ninety-one million, five hundred fifty-two thousand, seven hundred thirty-three".