51626332 has 12 divisors (see below), whose sum is σ = 91435176. Its totient is φ = 25502000.

The previous prime is 51626321. The next prime is 51626369. The reversal of 51626332 is 23362615.

It is a self number, because there is not a number n which added to its sum of digits gives 51626332.

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, 77419 + ... + 78082.

It is an arithmetic number, because the mean of its divisors is an integer number (7619598).

Almost surely, 2^51626332 is an apocalyptic number.

It is an amenable number.

51626332 is a deficient number, since it is larger than the sum of its proper divisors (39808844).

51626332 is a wasteful number, since it uses less digits than its factorization.

51626332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155588 (or 155586 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 51626332 is about 7185.1466234170. The cubic root of 51626332 is about 372.3549142948.

Adding to 51626332 its reverse (23362615), we get a palindrome (74988947).

The spelling of 51626332 in words is "fifty-one million, six hundred twenty-six thousand, three hundred thirty-two".