50420149 has 8 divisors (see below), whose sum is σ = 54354272. Its totient is φ = 46494000.

The previous prime is 50420131. The next prime is 50420171. The reversal of 50420149 is 94102405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50420149 - 2¹⁹ = 49895861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50420189) 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, 21274 + ... + 23524.

It is an arithmetic number, because the mean of its divisors is an integer number (6794284).

Almost surely, 2^50420149 is an apocalyptic number.

It is an amenable number.

50420149 is a deficient number, since it is larger than the sum of its proper divisors (3934123).

50420149 is a wasteful number, since it uses less digits than its factorization.

50420149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 50420149 is about 7100.7146823401. The cubic root of 50420149 is about 369.4321677183.

The spelling of 50420149 in words is "fifty million, four hundred twenty thousand, one hundred forty-nine".