50498149 has 4 divisors (see below), whose sum is σ = 54382636. Its totient is φ = 46613664.

The previous prime is 50498141. The next prime is 50498197. The reversal of 50498149 is 94189405.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32376100 + 18122049 = 5690^2 + 4257^2 .

It is a cyclic number.

It is not a de Polignac number, because 50498149 - 2³ = 50498141 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 (50498141) 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, 1942224 + ... + 1942249.

It is an arithmetic number, because the mean of its divisors is an integer number (13595659).

Almost surely, 2^50498149 is an apocalyptic number.

It is an amenable number.

50498149 is a deficient number, since it is larger than the sum of its proper divisors (3884487).

50498149 is a wasteful number, since it uses less digits than its factorization.

50498149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884486.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 50498149 is about 7106.2049646770. The cubic root of 50498149 is about 369.6225734926.

The spelling of 50498149 in words is "fifty million, four hundred ninety-eight thousand, one hundred forty-nine".