51030430 has 64 divisors (see below), whose sum is σ = 109874880. Its totient is φ = 16844800.

The previous prime is 51030403. The next prime is 51030449. The reversal of 51030430 is 3403015.

51030430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53760 + ... + 54700.

It is an arithmetic number, because the mean of its divisors is an integer number (1716795).

Almost surely, 2^51030430 is an apocalyptic number.

51030430 is an abundant number, since it is smaller than the sum of its proper divisors (58844450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51030430 is a wasteful number, since it uses less digits than its factorization.

51030430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 51030430 is about 7143.5586369820. The cubic root of 51030430 is about 370.9167188098.

Adding to 51030430 its reverse (3403015), we get a palindrome (54433445).

The spelling of 51030430 in words is "fifty-one million, thirty thousand, four hundred thirty".