109550501 has 2 divisors, whose sum is σ = 109550502. Its totient is φ = 109550500.

The previous prime is 109550489. The next prime is 109550503. The reversal of 109550501 is 105055901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57002500 + 52548001 = 7550^2 + 7249^2 .

It is an emirp because it is prime and its reverse (105055901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109550501 - 2⁶ = 109550437 is a prime.

Together with 109550503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109550503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54775250 + 54775251.

It is an arithmetic number, because the mean of its divisors is an integer number (54775251).

Almost surely, 2^109550501 is an apocalyptic number.

It is an amenable number.

109550501 is a deficient number, since it is larger than the sum of its proper divisors (1).

109550501 is an equidigital number, since it uses as much as digits as its factorization.

109550501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 109550501 is about 10466.6375211908. The cubic root of 109550501 is about 478.4884466885.

The spelling of 109550501 in words is "one hundred nine million, five hundred fifty thousand, five hundred one".