50537649 has 4 divisors (see below), whose sum is σ = 67383536. Its totient is φ = 33691764.

The previous prime is 50537639. The next prime is 50537653. The reversal of 50537649 is 94673505.

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 not a de Polignac number, because 50537649 - 2⁸ = 50537393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50537639) 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, 8422939 + ... + 8422944.

It is an arithmetic number, because the mean of its divisors is an integer number (16845884).

Almost surely, 2^50537649 is an apocalyptic number.

It is an amenable number.

50537649 is a deficient number, since it is larger than the sum of its proper divisors (16845887).

50537649 is a wasteful number, since it uses less digits than its factorization.

50537649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16845886.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 50537649 is about 7108.9836826371. The cubic root of 50537649 is about 369.7189221498.

The spelling of 50537649 in words is "fifty million, five hundred thirty-seven thousand, six hundred forty-nine".