50001155 has 8 divisors (see below), whose sum is σ = 60074784. Its totient is φ = 39952000.

The previous prime is 50001139. The next prime is 50001157. The reversal of 50001155 is 55110005.

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

It is not a de Polignac number, because 50001155 - 2⁴ = 50001139 is a prime.

It is a Duffinian number.

50001155 is a modest number, since divided by 1155 gives 50 as remainder.

It is not an unprimeable number, because it can be changed into a prime (50001157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271 + ... + 10080.

It is an arithmetic number, because the mean of its divisors is an integer number (7509348).

Almost surely, 2^50001155 is an apocalyptic number.

50001155 is a deficient number, since it is larger than the sum of its proper divisors (10073629).

50001155 is a wasteful number, since it uses less digits than its factorization.

50001155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12237.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 50001155 is about 7071.1494822271. The cubic root of 50001155 is about 368.4059865465.

The spelling of 50001155 in words is "fifty million, one thousand, one hundred fifty-five".