109055539 has 4 divisors (see below), whose sum is σ = 112003024. Its totient is φ = 106108056.

The previous prime is 109055537. The next prime is 109055591. The reversal of 109055539 is 935550901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109055539 - 2¹ = 109055537 is a prime.

It is a super-2 number, since 2×109055539² = 23786221173161042, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 2947447 = 109055539 / (1 + 0 + 9 + 0 + 5 + 5 + 5 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109055498 and 109055507.

It is not an unprimeable number, because it can be changed into a prime (109055533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1473687 + ... + 1473760.

It is an arithmetic number, because the mean of its divisors is an integer number (28000756).

Almost surely, 2^109055539 is an apocalyptic number.

109055539 is a deficient number, since it is larger than the sum of its proper divisors (2947485).

109055539 is an equidigital number, since it uses as much as digits as its factorization.

109055539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947484.

The product of its (nonzero) digits is 30375, while the sum is 37.

The square root of 109055539 is about 10442.9660058817. The cubic root of 109055539 is about 477.7667363813.

The spelling of 109055539 in words is "one hundred nine million, fifty-five thousand, five hundred thirty-nine".