51293752 has 32 divisors (see below), whose sum is σ = 98078400. Its totient is φ = 25144704.

The previous prime is 51293719. The next prime is 51293783. The reversal of 51293752 is 25739215.

51293752 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 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 in 7 ways as a sum of consecutive naturals, for example, 174918 + ... + 175210.

It is an arithmetic number, because the mean of its divisors is an integer number (3064950).

Almost surely, 2^51293752 is an apocalyptic number.

It is an amenable number.

51293752 is a deficient number, since it is larger than the sum of its proper divisors (46784648).

51293752 is a wasteful number, since it uses less digits than its factorization.

51293752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 651 counting only the distinct ones).

The product of its digits is 18900, while the sum is 34.

The square root of 51293752 is about 7161.9656519701. The cubic root of 51293752 is about 371.5536134083.

The spelling of 51293752 in words is "fifty-one million, two hundred ninety-three thousand, seven hundred fifty-two".