51149792 has 24 divisors (see below), whose sum is σ = 105080976. Its totient is φ = 24462592.

The previous prime is 51149759. The next prime is 51149797. The reversal of 51149792 is 29794115.

51149792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51149797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34013 + ... + 35484.

It is an arithmetic number, because the mean of its divisors is an integer number (4378374).

Almost surely, 2^51149792 is an apocalyptic number.

It is an amenable number.

51149792 is an abundant number, since it is smaller than the sum of its proper divisors (53931184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51149792 is a wasteful number, since it uses less digits than its factorization.

51149792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69530 (or 69522 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 51149792 is about 7151.9082768168. The cubic root of 51149792 is about 371.2056894441.

The spelling of 51149792 in words is "fifty-one million, one hundred forty-nine thousand, seven hundred ninety-two".