51472120 has 32 divisors (see below), whose sum is σ = 132357600. Its totient is φ = 17647488.

The previous prime is 51472111. The next prime is 51472123. The reversal of 51472120 is 2127415.

It is a happy number.

51472120 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 = 51472091 and 51472100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51472123) 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 7 ways as a sum of consecutive naturals, for example, 91635 + ... + 92194.

It is an arithmetic number, because the mean of its divisors is an integer number (4136175).

Almost surely, 2^51472120 is an apocalyptic number.

It is an amenable number.

51472120 is an abundant number, since it is smaller than the sum of its proper divisors (80885480).

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

51472120 is a wasteful number, since it uses less digits than its factorization.

51472120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183847 (or 183843 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 51472120 is about 7174.4072925922. The cubic root of 51472120 is about 371.9837931815.

Adding to 51472120 its reverse (2127415), we get a palindrome (53599535).

The spelling of 51472120 in words is "fifty-one million, four hundred seventy-two thousand, one hundred twenty".