50691648 has 56 divisors (see below), whose sum is σ = 153285952. Its totient is φ = 14482944.

The previous prime is 50691631. The next prime is 50691659. The reversal of 50691648 is 84619605.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17515 + ... + 20202.

Almost surely, 2^50691648 is an apocalyptic number.

It is an amenable number.

50691648 is an abundant number, since it is smaller than the sum of its proper divisors (102594304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50691648 is a wasteful number, since it uses less digits than its factorization.

50691648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37739 (or 37729 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 50691648 is about 7119.8067389502. The cubic root of 50691648 is about 370.0940788282.

The spelling of 50691648 in words is "fifty million, six hundred ninety-one thousand, six hundred forty-eight".