50506537 has 4 divisors (see below), whose sum is σ = 51362640. Its totient is φ = 49650436.

The previous prime is 50506513. The next prime is 50506559. The reversal of 50506537 is 73560505.

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: 73560505 = 5 ⋅14712101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50506537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50506499 and 50506508.

It is not an unprimeable number, because it can be changed into a prime (50506837) 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, 427963 + ... + 428080.

It is an arithmetic number, because the mean of its divisors is an integer number (12840660).

Almost surely, 2^50506537 is an apocalyptic number.

It is an amenable number.

50506537 is a deficient number, since it is larger than the sum of its proper divisors (856103).

50506537 is an equidigital number, since it uses as much as digits as its factorization.

50506537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856102.

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 50506537 is about 7106.7951286075. The cubic root of 50506537 is about 369.6430377575.

The spelling of 50506537 in words is "fifty million, five hundred six thousand, five hundred thirty-seven".