49947664 has 40 divisors (see below), whose sum is σ = 104646080. Its totient is φ = 22958208.

The previous prime is 49947659. The next prime is 49947673. The reversal of 49947664 is 46674994.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91039 + ... + 91585.

It is an arithmetic number, because the mean of its divisors is an integer number (2616152).

Almost surely, 2^49947664 is an apocalyptic number.

It is an amenable number.

49947664 is an abundant number, since it is smaller than the sum of its proper divisors (54698416).

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

49947664 is a wasteful number, since it uses less digits than its factorization.

49947664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 1001 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 49.

The square root of 49947664 is about 7067.3661289054. The cubic root of 49947664 is about 368.2745666751.

The spelling of 49947664 in words is "forty-nine million, nine hundred forty-seven thousand, six hundred sixty-four".