50403137 has 4 divisors (see below), whose sum is σ = 50429376. Its totient is φ = 50376900.

The previous prime is 50403121. The next prime is 50403163. The reversal of 50403137 is 73130405.

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, and also an emirpimes, since its reverse is a distinct semiprime: 73130405 = 5 ⋅14626081.

It is a cyclic number.

It is not a de Polignac number, because 50403137 - 2⁴ = 50403121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50403107) 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, 9989 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (12607344).

Almost surely, 2^50403137 is an apocalyptic number.

It is an amenable number.

50403137 is a deficient number, since it is larger than the sum of its proper divisors (26239).

50403137 is a wasteful number, since it uses less digits than its factorization.

50403137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26238.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 50403137 is about 7099.5166736898. The cubic root of 50403137 is about 369.3906136496.

The spelling of 50403137 in words is "fifty million, four hundred three thousand, one hundred thirty-seven".