50142049 has 4 divisors (see below), whose sum is σ = 50174640. Its totient is φ = 50109460.

The previous prime is 50142041. The next prime is 50142077. The reversal of 50142049 is 94024105.

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 50142049 - 2³ = 50142041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50142041) 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, 13867 + ... + 17104.

It is an arithmetic number, because the mean of its divisors is an integer number (12543660).

Almost surely, 2^50142049 is an apocalyptic number.

It is an amenable number.

50142049 is a deficient number, since it is larger than the sum of its proper divisors (32591).

50142049 is a wasteful number, since it uses less digits than its factorization.

50142049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32590.

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

The square root of 50142049 is about 7081.1050691259. The cubic root of 50142049 is about 368.7516953288.

The spelling of 50142049 in words is "fifty million, one hundred forty-two thousand, forty-nine".