50505155 has 8 divisors (see below), whose sum is σ = 60667152. Its totient is φ = 40363488.

The previous prime is 50505139. The next prime is 50505163. The reversal of 50505155 is 55150505.

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 50505155 - 2⁴ = 50505139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1064 + ... + 10106.

It is an arithmetic number, because the mean of its divisors is an integer number (7583394).

Almost surely, 2^50505155 is an apocalyptic number.

50505155 is a deficient number, since it is larger than the sum of its proper divisors (10161997).

50505155 is a wasteful number, since it uses less digits than its factorization.

50505155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 50505155 is about 7106.6978970546. The cubic root of 50505155 is about 369.6396662379.

The spelling of 50505155 in words is "fifty million, five hundred five thousand, one hundred fifty-five".