50665155 has 16 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 26947808.

The previous prime is 50665141. The next prime is 50665157. The reversal of 50665155 is 55156605.

It is a cyclic number.

It is not a de Polignac number, because 50665155 - 2⁶ = 50665091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50665157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1336 + ... + 10154.

It is an arithmetic number, because the mean of its divisors is an integer number (5080320).

Almost surely, 2^50665155 is an apocalyptic number.

50665155 is a deficient number, since it is larger than the sum of its proper divisors (30619965).

50665155 is a wasteful number, since it uses less digits than its factorization.

50665155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9210.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 50665155 is about 7117.9459818124. The cubic root of 50665155 is about 370.0295934450.

The spelling of 50665155 in words is "fifty million, six hundred sixty-five thousand, one hundred fifty-five".