48931649 has 16 divisors (see below), whose sum is σ = 56485632. Its totient is φ = 42026688.

The previous prime is 48931639. The next prime is 48931679. The reversal of 48931649 is 94613984.

It is a cyclic number.

It is not a de Polignac number, because 48931649 - 2⁴ = 48931633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48931639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8852 + ... + 13274.

It is an arithmetic number, because the mean of its divisors is an integer number (3530352).

Almost surely, 2^48931649 is an apocalyptic number.

It is an amenable number.

48931649 is a deficient number, since it is larger than the sum of its proper divisors (7553983).

48931649 is a wasteful number, since it uses less digits than its factorization.

48931649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496.

The product of its digits is 186624, while the sum is 44.

The square root of 48931649 is about 6995.1160819532. The cubic root of 48931649 is about 365.7603440686.

The spelling of 48931649 in words is "forty-eight million, nine hundred thirty-one thousand, six hundred forty-nine".