51650332 has 12 divisors (see below), whose sum is σ = 90452376. Its totient is φ = 25806800.

The previous prime is 51650323. The next prime is 51650351. The reversal of 51650332 is 23305615.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51650297 and 51650306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3207 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (7537698).

Almost surely, 2^51650332 is an apocalyptic number.

It is an amenable number.

51650332 is a deficient number, since it is larger than the sum of its proper divisors (38802044).

51650332 is a wasteful number, since it uses less digits than its factorization.

51650332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9188 (or 9186 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 51650332 is about 7186.8165414180. The cubic root of 51650332 is about 372.4126053551.

Adding to 51650332 its reverse (23305615), we get a palindrome (74955947).

The spelling of 51650332 in words is "fifty-one million, six hundred fifty thousand, three hundred thirty-two".