55613206 has 16 divisors (see below), whose sum is σ = 91124928. Its totient is φ = 25245000.

The previous prime is 55613197. The next prime is 55613219. The reversal of 55613206 is 60231655.

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, 23581 + ... + 25831.

It is an arithmetic number, because the mean of its divisors is an integer number (5695308).

Almost surely, 2^55613206 is an apocalyptic number.

55613206 is a deficient number, since it is larger than the sum of its proper divisors (35511722).

55613206 is a wasteful number, since it uses less digits than its factorization.

55613206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 55613206 is about 7457.4262316164. The cubic root of 55613206 is about 381.7033551259.

The spelling of 55613206 in words is "fifty-five million, six hundred thirteen thousand, two hundred six".