51416304 has 80 divisors (see below), whose sum is σ = 140764800. Its totient is φ = 16144128.

The previous prime is 51416303. The next prime is 51416327. The reversal of 51416304 is 40361415.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51416303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59427 + ... + 60285.

It is an arithmetic number, because the mean of its divisors is an integer number (1759560).

Almost surely, 2^51416304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51416304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70382400).

51416304 is an abundant number, since it is smaller than the sum of its proper divisors (89348496).

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

51416304 is a wasteful number, since it uses less digits than its factorization.

51416304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 936 counting only the distinct ones).

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

The square root of 51416304 is about 7170.5162994027. The cubic root of 51416304 is about 371.8492856922.

Adding to 51416304 its reverse (40361415), we get a palindrome (91777719).

The spelling of 51416304 in words is "fifty-one million, four hundred sixteen thousand, three hundred four".