50091648 has 32 divisors (see below), whose sum is σ = 133056960. Its totient is φ = 16697088.

The previous prime is 50091641. The next prime is 50091659. The reversal of 50091648 is 84619005.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (50091641) 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, 64840 + ... + 65607.

It is an arithmetic number, because the mean of its divisors is an integer number (4158030).

Almost surely, 2^50091648 is an apocalyptic number.

It is an amenable number.

50091648 is an abundant number, since it is smaller than the sum of its proper divisors (82965312).

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

50091648 is a wasteful number, since it uses less digits than its factorization.

50091648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130464 (or 130452 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 50091648 is about 7077.5453371914. The cubic root of 50091648 is about 368.6281018898.

The spelling of 50091648 in words is "fifty million, ninety-one thousand, six hundred forty-eight".