55150109 has 8 divisors (see below), whose sum is σ = 63104640. Its totient is φ = 47214576.

The previous prime is 55150099. The next prime is 55150127. The reversal of 55150109 is 90105155.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55150109 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 (55150169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (7888080).

Almost surely, 2^55150109 is an apocalyptic number.

It is an amenable number.

55150109 is a deficient number, since it is larger than the sum of its proper divisors (7954531).

55150109 is an equidigital number, since it uses as much as digits as its factorization.

55150109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9499.

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

The square root of 55150109 is about 7426.3119379676. The cubic root of 55150109 is about 380.6409059783.

The spelling of 55150109 in words is "fifty-five million, one hundred fifty thousand, one hundred nine".