55732205 has 12 divisors (see below), whose sum is σ = 71045940. Its totient is φ = 41961984.

The previous prime is 55732169. The next prime is 55732207. The reversal of 55732205 is 50223755.

It can be written as a sum of positive squares in 6 ways, for example, as 5080516 + 50651689 = 2254^2 + 7117^2 .

It is not a de Polignac number, because 55732205 - 2²⁴ = 38954989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55732207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17840 + ... + 20729.

It is an arithmetic number, because the mean of its divisors is an integer number (5920495).

Almost surely, 2^55732205 is an apocalyptic number.

It is an amenable number.

55732205 is a deficient number, since it is larger than the sum of its proper divisors (15313735).

55732205 is a wasteful number, since it uses less digits than its factorization.

55732205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38608 (or 38591 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 29.

The square root of 55732205 is about 7465.4005250891. The cubic root of 55732205 is about 381.9754125600.

The spelling of 55732205 in words is "fifty-five million, seven hundred thirty-two thousand, two hundred five".