49385757 has 8 divisors (see below), whose sum is σ = 65890240. Its totient is φ = 32902560.

The previous prime is 49385729. The next prime is 49385779. The reversal of 49385757 is 75758394.

49385757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49385757 - 2¹⁴ = 49369373 is a prime.

It is the 7028-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49385857) by changing a digit.

It is a nontrivial repunit in base 7027.

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 7 ways as a sum of consecutive naturals, for example, 1257 + ... + 10017.

It is an arithmetic number, because the mean of its divisors is an integer number (8236280).

Almost surely, 2^49385757 is an apocalyptic number.

It is an amenable number.

49385757 is a deficient number, since it is larger than the sum of its proper divisors (16504483).

49385757 is a wasteful number, since it uses less digits than its factorization.

49385757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643.

The product of its digits is 1058400, while the sum is 48.

The square root of 49385757 is about 7027.5000533618. The cubic root of 49385757 is about 366.8883360264. Note that the first 3 decimals are identical.

The spelling of 49385757 in words is "forty-nine million, three hundred eighty-five thousand, seven hundred fifty-seven".