55103705 has 16 divisors (see below), whose sum is σ = 69960000. Its totient is φ = 41549760.

The previous prime is 55103701. The next prime is 55103707. The reversal of 55103705 is 50730155.

It is not a de Polignac number, because 55103705 - 2² = 55103701 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55103701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18671 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (4372500).

Almost surely, 2^55103705 is an apocalyptic number.

It is an amenable number.

55103705 is a deficient number, since it is larger than the sum of its proper divisors (14856295).

55103705 is a wasteful number, since it uses less digits than its factorization.

55103705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 55103705 is about 7423.1869840386. The cubic root of 55103705 is about 380.5341173290.

The spelling of 55103705 in words is "fifty-five million, one hundred three thousand, seven hundred five".