51303830 has 32 divisors (see below), whose sum is σ = 95360544. Its totient is φ = 19858176.

The previous prime is 51303827. The next prime is 51303851. The reversal of 51303830 is 3830315.

It is a junction number, because it is equal to n+sod(n) for n = 51303796 and 51303805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115589 + ... + 116031.

It is an arithmetic number, because the mean of its divisors is an integer number (2980017).

Almost surely, 2^51303830 is an apocalyptic number.

51303830 is a deficient number, since it is larger than the sum of its proper divisors (44056714).

51303830 is a wasteful number, since it uses less digits than its factorization.

51303830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51303830 is about 7162.6691952093. The cubic root of 51303830 is about 371.5779456253.

The spelling of 51303830 in words is "fifty-one million, three hundred three thousand, eight hundred thirty".