49387745 has 32 divisors (see below), whose sum is σ = 68705280. Its totient is φ = 33704640.

The previous prime is 49387729. The next prime is 49387753. The reversal of 49387745 is 54778394.

49387745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49387745 - 2⁴ = 49387729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49387745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174374 + ... + 174656.

It is an arithmetic number, because the mean of its divisors is an integer number (2147040).

Almost surely, 2^49387745 is an apocalyptic number.

It is an amenable number.

49387745 is a deficient number, since it is larger than the sum of its proper divisors (19317535).

49387745 is a wasteful number, since it uses less digits than its factorization.

49387745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 846720, while the sum is 47.

The square root of 49387745 is about 7027.6414962632. The cubic root of 49387745 is about 366.8932589318.

The spelling of 49387745 in words is "forty-nine million, three hundred eighty-seven thousand, seven hundred forty-five".