49664759 has 16 divisors (see below), whose sum is σ = 53084160. Its totient is φ = 46390080.

The previous prime is 49664749. The next prime is 49664761. The reversal of 49664759 is 95746694.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49664759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49664749) 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, 129482 + ... + 129864.

It is an arithmetic number, because the mean of its divisors is an integer number (3317760).

Almost surely, 2^49664759 is an apocalyptic number.

49664759 is a deficient number, since it is larger than the sum of its proper divisors (3419401).

49664759 is a wasteful number, since it uses less digits than its factorization.

49664759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its digits is 1632960, while the sum is 50.

The square root of 49664759 is about 7047.3228250166. The cubic root of 49664759 is about 367.5779438853.

The spelling of 49664759 in words is "forty-nine million, six hundred sixty-four thousand, seven hundred fifty-nine".