51928742 has 4 divisors (see below), whose sum is σ = 77893116. Its totient is φ = 25964370.

The previous prime is 51928739. The next prime is 51928753. The reversal of 51928742 is 24782915.

51928742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 51928696 and 51928705.

It is a congruent number.

It is an unprimeable number.

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, 12982184 + ... + 12982187.

It is an arithmetic number, because the mean of its divisors is an integer number (19473279).

Almost surely, 2^51928742 is an apocalyptic number.

51928742 is a deficient number, since it is larger than the sum of its proper divisors (25964374).

51928742 is a wasteful number, since it uses less digits than its factorization.

51928742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25964373.

The product of its digits is 40320, while the sum is 38.

The square root of 51928742 is about 7206.1600037745. The cubic root of 51928742 is about 373.0805433333.

The spelling of 51928742 in words is "fifty-one million, nine hundred twenty-eight thousand, seven hundred forty-two".