51016430 has 8 divisors (see below), whose sum is σ = 91829592. Its totient is φ = 20406568.

The previous prime is 51016417. The next prime is 51016453. The reversal of 51016430 is 3461015.

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

It is a super-2 number, since 2×51016430² = 5205352259889800, which contains 22 as substring.

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, 2550812 + ... + 2550831.

It is an arithmetic number, because the mean of its divisors is an integer number (11478699).

Almost surely, 2^51016430 is an apocalyptic number.

51016430 is a deficient number, since it is larger than the sum of its proper divisors (40813162).

51016430 is a wasteful number, since it uses less digits than its factorization.

51016430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101650.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51016430 is about 7142.5786660001. The cubic root of 51016430 is about 370.8827958543.

Adding to 51016430 its reverse (3461015), we get a palindrome (54477445).

The spelling of 51016430 in words is "fifty-one million, sixteen thousand, four hundred thirty".