51120332 has 12 divisors (see below), whose sum is σ = 89535600. Its totient is φ = 25538736.

The previous prime is 51120331. The next prime is 51120341. The reversal of 51120332 is 23302115.

It is a super-2 number, since 2×51120332² = 5226576687580448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51120332.

It is not an unprimeable number, because it can be changed into a prime (51120331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (7461300).

Almost surely, 2^51120332 is an apocalyptic number.

It is an amenable number.

51120332 is a deficient number, since it is larger than the sum of its proper divisors (38415268).

51120332 is a wasteful number, since it uses less digits than its factorization.

51120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10720 (or 10718 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 51120332 is about 7149.8483900010. The cubic root of 51120332 is about 371.1344097813.

Adding to 51120332 its reverse (23302115), we get a palindrome (74422447).

The spelling of 51120332 in words is "fifty-one million, one hundred twenty thousand, three hundred thirty-two".