55802205 has 24 divisors (see below), whose sum is σ = 96943392. Its totient is φ = 29693664.

The previous prime is 55802191. The next prime is 55802213. The reversal of 55802205 is 50220855.

It is not a de Polignac number, because 55802205 - 2¹⁸ = 55540061 is a prime.

It is a super-2 number, since 2×55802205² = 6227772165724050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23482 + ... + 25748.

It is an arithmetic number, because the mean of its divisors is an integer number (4039308).

Almost surely, 2^55802205 is an apocalyptic number.

It is an amenable number.

55802205 is a deficient number, since it is larger than the sum of its proper divisors (41141187).

55802205 is a wasteful number, since it uses less digits than its factorization.

55802205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 55802205 is about 7470.0873488869. The cubic root of 55802205 is about 382.1352668262.

The spelling of 55802205 in words is "fifty-five million, eight hundred two thousand, two hundred five".