49751966 has 32 divisors (see below), whose sum is σ = 83673216. Its totient is φ = 21996000.

The previous prime is 49751963. The next prime is 49752007. The reversal of 49751966 is 66915794.

It is a self number, because there is not a number n which added to its sum of digits gives 49751966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49751963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175661 + ... + 175943.

It is an arithmetic number, because the mean of its divisors is an integer number (2614788).

Almost surely, 2^49751966 is an apocalyptic number.

49751966 is a deficient number, since it is larger than the sum of its proper divisors (33921250).

49751966 is a wasteful number, since it uses less digits than its factorization.

49751966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 408240, while the sum is 47.

The square root of 49751966 is about 7053.5073545010. The cubic root of 49751966 is about 367.7929630560.

The spelling of 49751966 in words is "forty-nine million, seven hundred fifty-one thousand, nine hundred sixty-six".