51410320 has 40 divisors (see below), whose sum is σ = 128726136. Its totient is φ = 18981888.

The previous prime is 51410311. The next prime is 51410321. The reversal of 51410320 is 2301415.

It can be written as a sum of positive squares in 4 ways, for example, as 2298256 + 49112064 = 1516^2 + 7008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 51410294 and 51410303.

It is not an unprimeable number, because it can be changed into a prime (51410321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23677 + ... + 25756.

Almost surely, 2^51410320 is an apocalyptic number.

It is an amenable number.

51410320 is an abundant number, since it is smaller than the sum of its proper divisors (77315816).

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

51410320 is a wasteful number, since it uses less digits than its factorization.

51410320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49459 (or 49453 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51410320 is about 7170.0990230261. The cubic root of 51410320 is about 371.8348594482.

Adding to 51410320 its reverse (2301415), we get a palindrome (53711735).

The spelling of 51410320 in words is "fifty-one million, four hundred ten thousand, three hundred twenty".