50633381 has 4 divisors (see below), whose sum is σ = 50650764. Its totient is φ = 50616000.

The previous prime is 50633371. The next prime is 50633399. The reversal of 50633381 is 18333605.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35880100 + 14753281 = 5990^2 + 3841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50633381 is a prime.

It is a super-2 number, since 2×50633381² = 5127478542982322, 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 (50633351) 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 3 ways as a sum of consecutive naturals, for example, 3140 + ... + 10541.

It is an arithmetic number, because the mean of its divisors is an integer number (12662691).

Almost surely, 2^50633381 is an apocalyptic number.

It is an amenable number.

50633381 is a deficient number, since it is larger than the sum of its proper divisors (17383).

50633381 is a wasteful number, since it uses less digits than its factorization.

50633381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17382.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 50633381 is about 7115.7136676513. The cubic root of 50633381 is about 369.9522241697.

Adding to 50633381 its reverse (18333605), we get a palindrome (68966986).

The spelling of 50633381 in words is "fifty million, six hundred thirty-three thousand, three hundred eighty-one".