50549491 has 4 divisors (see below), whose sum is σ = 50577984. Its totient is φ = 50521000.

The previous prime is 50549459. The next prime is 50549497. The reversal of 50549491 is 19494505.

50549491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50549491 - 2⁵ = 50549459 is a prime.

It is a super-3 number, since 3×50549491³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50549491.

It is not an unprimeable number, because it can be changed into a prime (50549497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11395 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (12644496).

Almost surely, 2^50549491 is an apocalyptic number.

50549491 is a deficient number, since it is larger than the sum of its proper divisors (28493).

50549491 is a wasteful number, since it uses less digits than its factorization.

50549491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28492.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 50549491 is about 7109.8165236524. The cubic root of 50549491 is about 369.7477974513.

It can be divided in two parts, 505494 and 91, that multiplied together give a palindrome (45999954).

The spelling of 50549491 in words is "fifty million, five hundred forty-nine thousand, four hundred ninety-one".