50388081 has 8 divisors (see below), whose sum is σ = 67265760. Its totient is φ = 33551232.

The previous prime is 50388073. The next prime is 50388083. The reversal of 50388081 is 18088305.

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

It is not a de Polignac number, because 50388081 - 2³ = 50388073 is a prime.

It is a super-2 number, since 2×50388081² = 5077917413725122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50388083) 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 7 ways as a sum of consecutive naturals, for example, 7200 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (8408220).

Almost surely, 2^50388081 is an apocalyptic number.

It is an amenable number.

50388081 is a deficient number, since it is larger than the sum of its proper divisors (16877679).

50388081 is a wasteful number, since it uses less digits than its factorization.

50388081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20415.

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 50388081 is about 7098.4562406202. The cubic root of 50388081 is about 369.3538295705.

The spelling of 50388081 in words is "fifty million, three hundred eighty-eight thousand, eighty-one".