36557109 has 8 divisors (see below), whose sum is σ = 54158720. Its totient is φ = 24371388.

The previous prime is 36557107. The next prime is 36557111. The reversal of 36557109 is 90175563.

It is a happy number.

36557109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (36557107) and next prime (36557111).

It is not a de Polignac number, because 36557109 - 2¹ = 36557107 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 (36557107) 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, 676957 + ... + 677010.

It is an arithmetic number, because the mean of its divisors is an integer number (6769840).

Almost surely, 2^36557109 is an apocalyptic number.

It is an amenable number.

36557109 is a deficient number, since it is larger than the sum of its proper divisors (17601611).

36557109 is a wasteful number, since it uses less digits than its factorization.

36557109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353976 (or 1353970 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 36557109 is about 6046.2475139544. The cubic root of 36557109 is about 331.8872851273.

The spelling of 36557109 in words is "thirty-six million, five hundred fifty-seven thousand, one hundred nine".