51424360 has 32 divisors (see below), whose sum is σ = 124606440. Its totient is φ = 18987264.

The previous prime is 51424357. The next prime is 51424361. The reversal of 51424360 is 6342415.

It can be written as a sum of positive squares in 4 ways, for example, as 27394756 + 24029604 = 5234^2 + 4902^2 .

It is a super-3 number, since 3×51424360³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51424361) 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, 48927 + ... + 49966.

Almost surely, 2^51424360 is an apocalyptic number.

It is an amenable number.

51424360 is an abundant number, since it is smaller than the sum of its proper divisors (73182080).

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

51424360 is a wasteful number, since it uses less digits than its factorization.

51424360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98917 (or 98913 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 51424360 is about 7171.0780221665. The cubic root of 51424360 is about 371.8687053521.

Adding to 51424360 its reverse (6342415), we get a palindrome (57766775).

The spelling of 51424360 in words is "fifty-one million, four hundred twenty-four thousand, three hundred sixty".