50457137 has 4 divisors (see below), whose sum is σ = 50644980. Its totient is φ = 50269296.

The previous prime is 50457133. The next prime is 50457149. The reversal of 50457137 is 73175405.

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 10817521 + 39639616 = 3289^2 + 6296^2 .

It is a cyclic number.

It is not a de Polignac number, because 50457137 - 2² = 50457133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50457133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93518 + ... + 94055.

It is an arithmetic number, because the mean of its divisors is an integer number (12661245).

Almost surely, 2^50457137 is an apocalyptic number.

It is an amenable number.

50457137 is a deficient number, since it is larger than the sum of its proper divisors (187843).

50457137 is a wasteful number, since it uses less digits than its factorization.

50457137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187842.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 50457137 is about 7103.3187314100. The cubic root of 50457137 is about 369.5224835757.

The spelling of 50457137 in words is "fifty million, four hundred fifty-seven thousand, one hundred thirty-seven".