51767984 has 10 divisors (see below), whose sum is σ = 100300500. Its totient is φ = 25883984.

The previous prime is 51767983. The next prime is 51767993. The reversal of 51767984 is 48976715.

51767984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51767983) 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 as a sum of consecutive naturals, namely, 1617734 + ... + 1617765.

It is an arithmetic number, because the mean of its divisors is an integer number (10030050).

Almost surely, 2^51767984 is an apocalyptic number.

It is an amenable number.

51767984 is a deficient number, since it is larger than the sum of its proper divisors (48532516).

51767984 is a wasteful number, since it uses less digits than its factorization.

51767984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235507 (or 3235501 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 51767984 is about 7194.9971507986. The cubic root of 51767984 is about 372.6951583096.

The spelling of 51767984 in words is "fifty-one million, seven hundred sixty-seven thousand, nine hundred eighty-four".