50549381 has 8 divisors (see below), whose sum is σ = 54768384. Its totient is φ = 46468800.

The previous prime is 50549357. The next prime is 50549399. The reversal of 50549381 is 18394505.

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-50549381 is a prime.

It is a super-4 number, since 4×50549381⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50549321) 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, 33845 + ... + 35306.

It is an arithmetic number, because the mean of its divisors is an integer number (6846048).

Almost surely, 2^50549381 is an apocalyptic number.

It is an amenable number.

50549381 is a deficient number, since it is larger than the sum of its proper divisors (4219003).

50549381 is a wasteful number, since it uses less digits than its factorization.

50549381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69211.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 50549381 is about 7109.8087878648. The cubic root of 50549381 is about 369.7475292502.

The spelling of 50549381 in words is "fifty million, five hundred forty-nine thousand, three hundred eighty-one".