49966864 has 40 divisors (see below), whose sum is σ = 100931040. Its totient is φ = 23942400.

The previous prime is 49966853. The next prime is 49966871. The reversal of 49966864 is 46866994.

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, 38059 + ... + 39349.

It is an arithmetic number, because the mean of its divisors is an integer number (2523276).

Almost surely, 2^49966864 is an apocalyptic number.

It is an amenable number.

49966864 is an abundant number, since it is smaller than the sum of its proper divisors (50964176).

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

49966864 is a wasteful number, since it uses less digits than its factorization.

49966864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399 (or 1393 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 49966864 is about 7068.7243545070. The cubic root of 49966864 is about 368.3217491676.

The spelling of 49966864 in words is "forty-nine million, nine hundred sixty-six thousand, eight hundred sixty-four".