49748649 has 4 divisors (see below), whose sum is σ = 66331536. Its totient is φ = 33165764.

The previous prime is 49748641. The next prime is 49748663. The reversal of 49748649 is 94684794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49748649 - 2³ = 49748641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49748641) 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, 8291439 + ... + 8291444.

It is an arithmetic number, because the mean of its divisors is an integer number (16582884).

Almost surely, 2^49748649 is an apocalyptic number.

It is an amenable number.

49748649 is a deficient number, since it is larger than the sum of its proper divisors (16582887).

49748649 is a wasteful number, since it uses less digits than its factorization.

49748649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16582886.

The product of its digits is 1741824, while the sum is 51.

The square root of 49748649 is about 7053.2722193320. The cubic root of 49748649 is about 367.7847891990.

The spelling of 49748649 in words is "forty-nine million, seven hundred forty-eight thousand, six hundred forty-nine".