51752120 has 32 divisors (see below), whose sum is σ = 133077600. Its totient is φ = 17743488.

The previous prime is 51752101. The next prime is 51752147. The reversal of 51752120 is 2125715.

It is a happy number.

51752120 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, 92135 + ... + 92694.

It is an arithmetic number, because the mean of its divisors is an integer number (4158675).

Almost surely, 2^51752120 is an apocalyptic number.

It is an amenable number.

51752120 is an abundant number, since it is smaller than the sum of its proper divisors (81325480).

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

51752120 is a wasteful number, since it uses less digits than its factorization.

51752120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184847 (or 184843 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 51752120 is about 7193.8946336460. The cubic root of 51752120 is about 372.6570843266.

Adding to 51752120 its reverse (2125715), we get a palindrome (53877835).

The spelling of 51752120 in words is "fifty-one million, seven hundred fifty-two thousand, one hundred twenty".