51749162 has 16 divisors (see below), whose sum is σ = 81423360. Its totient is φ = 24637968.

The previous prime is 51749161. The next prime is 51749171. The reversal of 51749162 is 26194715.

It is not an unprimeable number, because it can be changed into a prime (51749161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3962 + ... + 10917.

It is an arithmetic number, because the mean of its divisors is an integer number (5088960).

Almost surely, 2^51749162 is an apocalyptic number.

51749162 is a deficient number, since it is larger than the sum of its proper divisors (29674198).

51749162 is a wasteful number, since it uses less digits than its factorization.

51749162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14965.

The product of its digits is 15120, while the sum is 35.

The square root of 51749162 is about 7193.6890397070. The cubic root of 51749162 is about 372.6499841945.

The spelling of 51749162 in words is "fifty-one million, seven hundred forty-nine thousand, one hundred sixty-two".