51024430 has 8 divisors (see below), whose sum is σ = 91843992. Its totient is φ = 20409768.

The previous prime is 51024401. The next prime is 51024431. The reversal of 51024430 is 3442015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 51024398 and 51024407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2551212 + ... + 2551231.

It is an arithmetic number, because the mean of its divisors is an integer number (11480499).

Almost surely, 2^51024430 is an apocalyptic number.

51024430 is a deficient number, since it is larger than the sum of its proper divisors (40819562).

51024430 is a wasteful number, since it uses less digits than its factorization.

51024430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102450.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51024430 is about 7143.1386658807. The cubic root of 51024430 is about 370.9021811601.

Adding to 51024430 its reverse (3442015), we get a palindrome (54466445).

The spelling of 51024430 in words is "fifty-one million, twenty-four thousand, four hundred thirty".