49391968 has 24 divisors (see below), whose sum is σ = 98892360. Its totient is φ = 24276480.

The previous prime is 49391939. The next prime is 49392011. The reversal of 49391968 is 86919394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11193 + ... + 14968.

It is an arithmetic number, because the mean of its divisors is an integer number (4120515).

Almost surely, 2^49391968 is an apocalyptic number.

It is an amenable number.

49391968 is an abundant number, since it is smaller than the sum of its proper divisors (49500392).

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

49391968 is a wasteful number, since it uses less digits than its factorization.

49391968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26230 (or 26222 counting only the distinct ones).

The product of its digits is 419904, while the sum is 49.

The square root of 49391968 is about 7027.9419462599. The cubic root of 49391968 is about 366.9037159529.

The spelling of 49391968 in words is "forty-nine million, three hundred ninety-one thousand, nine hundred sixty-eight".