51416430 has 32 divisors (see below), whose sum is σ = 132892704. Its totient is φ = 12656256.

The previous prime is 51416429. The next prime is 51416447. The reversal of 51416430 is 3461415.

It is a self number, because there is not a number n which added to its sum of digits gives 51416430.

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, 65529 + ... + 66308.

It is an arithmetic number, because the mean of its divisors is an integer number (4152897).

Almost surely, 2^51416430 is an apocalyptic number.

51416430 is an abundant number, since it is smaller than the sum of its proper divisors (81476274).

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

51416430 is a wasteful number, since it uses less digits than its factorization.

51416430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131860.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 51416430 is about 7170.5250853755. The cubic root of 51416430 is about 371.8495894414.

Adding to 51416430 its reverse (3461415), we get a palindrome (54877845).

The spelling of 51416430 in words is "fifty-one million, four hundred sixteen thousand, four hundred thirty".