55015206 has 8 divisors (see below), whose sum is σ = 110030424. Its totient is φ = 18338400.

The previous prime is 55015201. The next prime is 55015217. The reversal of 55015206 is 60251055.

It is a sphenic number, since it is the product of 3 distinct primes.

55015206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4584595 + ... + 4584606.

It is an arithmetic number, because the mean of its divisors is an integer number (13753803).

Almost surely, 2^55015206 is an apocalyptic number.

55015206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55015206 is a wasteful number, since it uses less digits than its factorization.

55015206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9169206.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55015206 is about 7417.2236045572. The cubic root of 55015206 is about 380.3302899347.

The spelling of 55015206 in words is "fifty-five million, fifteen thousand, two hundred six".