55103207 has 8 divisors (see below), whose sum is σ = 55794336. Its totient is φ = 54415872.

The previous prime is 55103179. The next prime is 55103231. The reversal of 55103207 is 70230155.

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

It is a cyclic number.

It is not a de Polignac number, because 55103207 - 2⁶ = 55103143 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 (55103267) 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, 37358 + ... + 38804.

It is an arithmetic number, because the mean of its divisors is an integer number (6974292).

Almost surely, 2^55103207 is an apocalyptic number.

55103207 is a deficient number, since it is larger than the sum of its proper divisors (691129).

55103207 is a wasteful number, since it uses less digits than its factorization.

55103207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 55103207 is about 7423.1534404187. The cubic root of 55103207 is about 380.5329709659.

The spelling of 55103207 in words is "fifty-five million, one hundred three thousand, two hundred seven".