50381437 has 4 divisors (see below), whose sum is σ = 50400316. Its totient is φ = 50362560.

The previous prime is 50381413. The next prime is 50381447. The reversal of 50381437 is 73418305.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73418305 = 5 ⋅14683661.

It can be written as a sum of positive squares in 2 ways, for example, as 48246916 + 2134521 = 6946^2 + 1461^2 .

It is a cyclic number.

It is not a de Polignac number, because 50381437 - 2¹⁹ = 49857149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50381399 and 50381408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50381447) 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, 4614 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (12600079).

Almost surely, 2^50381437 is an apocalyptic number.

It is an amenable number.

50381437 is a deficient number, since it is larger than the sum of its proper divisors (18879).

50381437 is a wasteful number, since it uses less digits than its factorization.

50381437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18878.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 50381437 is about 7097.9882361131. The cubic root of 50381437 is about 369.3375949461.

The spelling of 50381437 in words is "fifty million, three hundred eighty-one thousand, four hundred thirty-seven".