50807381 has 8 divisors (see below), whose sum is σ = 52086144. Its totient is φ = 49533120.

The previous prime is 50807369. The next prime is 50807389. The reversal of 50807381 is 18370805.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50807381 is a prime.

It is a super-2 number, since 2×50807381² = 5162779928158322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50807389) 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, 38525 + ... + 39821.

It is an arithmetic number, because the mean of its divisors is an integer number (6510768).

Almost surely, 2^50807381 is an apocalyptic number.

It is an amenable number.

50807381 is a deficient number, since it is larger than the sum of its proper divisors (1278763).

50807381 is a wasteful number, since it uses less digits than its factorization.

50807381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 50807381 is about 7127.9296433116. The cubic root of 50807381 is about 370.3755160054.

The spelling of 50807381 in words is "fifty million, eight hundred seven thousand, three hundred eighty-one".