55863205 has 16 divisors (see below), whose sum is σ = 70435584. Its totient is φ = 42451200.

The previous prime is 55863187. The next prime is 55863217. The reversal of 55863205 is 50236855.

It is a happy number.

It is not a de Polignac number, because 55863205 - 2⁹ = 55862693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15757 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (4402224).

Almost surely, 2^55863205 is an apocalyptic number.

It is an amenable number.

55863205 is a deficient number, since it is larger than the sum of its proper divisors (14572379).

55863205 is a wasteful number, since it uses less digits than its factorization.

55863205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 55863205 is about 7474.1691845984. The cubic root of 55863205 is about 382.2744594297.

The spelling of 55863205 in words is "fifty-five million, eight hundred sixty-three thousand, two hundred five".