49764857 has 16 divisors (see below), whose sum is σ = 54102720. Its totient is φ = 45619200.

The previous prime is 49764791. The next prime is 49764887. The reversal of 49764857 is 75846794.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49764857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49764887) 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, 150182 + ... + 150512.

It is an arithmetic number, because the mean of its divisors is an integer number (3381420).

Almost surely, 2^49764857 is an apocalyptic number.

It is an amenable number.

49764857 is a deficient number, since it is larger than the sum of its proper divisors (4337863).

49764857 is a wasteful number, since it uses less digits than its factorization.

49764857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584.

The product of its digits is 1693440, while the sum is 50.

The square root of 49764857 is about 7054.4210960220. The cubic root of 49764857 is about 367.8247260196.

The spelling of 49764857 in words is "forty-nine million, seven hundred sixty-four thousand, eight hundred fifty-seven".