50111961 has 8 divisors (see below), whose sum is σ = 66852960. Its totient is φ = 33389472.

The previous prime is 50111953. The next prime is 50111969. The reversal of 50111961 is 16911105.

It is an interprime number because it is at equal distance from previous prime (50111953) and next prime (50111969).

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

It is not a de Polignac number, because 50111961 - 2³ = 50111953 is a prime.

It is a super-2 number, since 2×50111961² = 5022417270531042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50111969) 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, 3981 + ... + 10773.

It is an arithmetic number, because the mean of its divisors is an integer number (8356620).

Almost surely, 2^50111961 is an apocalyptic number.

It is an amenable number.

50111961 is a deficient number, since it is larger than the sum of its proper divisors (16740999).

50111961 is a wasteful number, since it uses less digits than its factorization.

50111961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9255.

The product of its (nonzero) digits is 270, while the sum is 24.

The square root of 50111961 is about 7078.9802231677. The cubic root of 50111961 is about 368.6779234402.

The spelling of 50111961 in words is "fifty million, one hundred eleven thousand, nine hundred sixty-one".