51032650 has 24 divisors (see below), whose sum is σ = 95356620. Its totient is φ = 20319360.

The previous prime is 51032629. The next prime is 51032677. The reversal of 51032650 is 5623015.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 36493681 + 14538969 = 6041^2 + 3813^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9222 + ... + 13678.

Almost surely, 2^51032650 is an apocalyptic number.

51032650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51032650 is a deficient number, since it is larger than the sum of its proper divisors (44323970).

51032650 is a wasteful number, since it uses less digits than its factorization.

51032650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698 (or 4693 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51032650 is about 7143.7140200319. The cubic root of 51032650 is about 370.9220974513.

Adding to 51032650 its reverse (5623015), we get a palindrome (56655665).

The spelling of 51032650 in words is "fifty-one million, thirty-two thousand, six hundred fifty".