51364742 has 48 divisors (see below), whose sum is σ = 94515120. Its totient is φ = 20771520.

The previous prime is 51364741. The next prime is 51364763. The reversal of 51364742 is 24746315.

51364742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51364699 and 51364708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364741) 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 23 ways as a sum of consecutive naturals, for example, 90953 + ... + 91515.

It is an arithmetic number, because the mean of its divisors is an integer number (1969065).

Almost surely, 2^51364742 is an apocalyptic number.

51364742 is a deficient number, since it is larger than the sum of its proper divisors (43150378).

51364742 is a wasteful number, since it uses less digits than its factorization.

51364742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 618 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 51364742 is about 7166.9199800193. The cubic root of 51364742 is about 371.7249431254.

The spelling of 51364742 in words is "fifty-one million, three hundred sixty-four thousand, seven hundred forty-two".