51226360 has 16 divisors (see below), whose sum is σ = 115259400. Its totient is φ = 20490528.

The previous prime is 51226333. The next prime is 51226361. The reversal of 51226360 is 6362215.

It is a super-4 number, since 4×51226360⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51226361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640290 + ... + 640369.

Almost surely, 2^51226360 is an apocalyptic number.

It is an amenable number.

51226360 is an abundant number, since it is smaller than the sum of its proper divisors (64033040).

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

51226360 is a wasteful number, since it uses less digits than its factorization.

51226360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280670 (or 1280666 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 51226360 is about 7157.2592519763. The cubic root of 51226360 is about 371.3908209027.

Adding to 51226360 its reverse (6362215), we get a palindrome (57588575).

The spelling of 51226360 in words is "fifty-one million, two hundred twenty-six thousand, three hundred sixty".