50121331 has 8 divisors (see below), whose sum is σ = 54253584. Its totient is φ = 46028640.

The previous prime is 50121319. The next prime is 50121343. The reversal of 50121331 is 13312105.

It is an interprime number because it is at equal distance from previous prime (50121319) and next prime (50121343).

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 50121331 - 2⁵ = 50121299 is a prime.

It is a super-2 number, since 2×50121331² = 5024295642423122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50121131) 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, 7225 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (6781698).

Almost surely, 2^50121331 is an apocalyptic number.

50121331 is a deficient number, since it is larger than the sum of its proper divisors (4132253).

50121331 is a wasteful number, since it uses less digits than its factorization.

50121331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19781.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 50121331 is about 7079.6420107234. The cubic root of 50121331 is about 368.7009006349.

Adding to 50121331 its reverse (13312105), we get a palindrome (63433436).

The spelling of 50121331 in words is "fifty million, one hundred twenty-one thousand, three hundred thirty-one".