55632205 has 8 divisors (see below), whose sum is σ = 67673592. Its totient is φ = 43895808.

The previous prime is 55632191. The next prime is 55632229. The reversal of 55632205 is 50223655.

It can be written as a sum of positive squares in 4 ways, for example, as 546121 + 55086084 = 739^2 + 7422^2 .

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 55632205 - 2⁷ = 55632077 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 7 ways as a sum of consecutive naturals, for example, 75844 + ... + 76573.

It is an arithmetic number, because the mean of its divisors is an integer number (8459199).

Almost surely, 2^55632205 is an apocalyptic number.

It is an amenable number.

55632205 is a deficient number, since it is larger than the sum of its proper divisors (12041387).

55632205 is a wasteful number, since it uses less digits than its factorization.

55632205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152495.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 55632205 is about 7458.6999537453. The cubic root of 55632205 is about 381.7468169635.

It can be divided in two parts, 556 and 32205, that added together give a square (32761 = 181²).

The spelling of 55632205 in words is "fifty-five million, six hundred thirty-two thousand, two hundred five".