50454389 has 4 divisors (see below), whose sum is σ = 50556000. Its totient is φ = 50352780.

The previous prime is 50454373. The next prime is 50454407. The reversal of 50454389 is 98345405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50454389 - 2⁴ = 50454373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50454319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50057 + ... + 51054.

It is an arithmetic number, because the mean of its divisors is an integer number (12639000).

Almost surely, 2^50454389 is an apocalyptic number.

It is an amenable number.

50454389 is a deficient number, since it is larger than the sum of its proper divisors (101611).

50454389 is a wasteful number, since it uses less digits than its factorization.

50454389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101610.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 50454389 is about 7103.1252980642. The cubic root of 50454389 is about 369.5157751344.

The spelling of 50454389 in words is "fifty million, four hundred fifty-four thousand, three hundred eighty-nine".