50819949 has 24 divisors (see below), whose sum is σ = 77418432. Its totient is φ = 32060160.

The previous prime is 50819947. The next prime is 50819963. The reversal of 50819949 is 94991805.

It is not a de Polignac number, because 50819949 - 2¹ = 50819947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50819941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18814 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (3225768).

Almost surely, 2^50819949 is an apocalyptic number.

It is an amenable number.

50819949 is a deficient number, since it is larger than the sum of its proper divisors (26598483).

50819949 is a wasteful number, since it uses less digits than its factorization.

50819949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 50819949 is about 7128.8111912155. The cubic root of 50819949 is about 370.4060528791.

The spelling of 50819949 in words is "fifty million, eight hundred nineteen thousand, nine hundred forty-nine".