51424014 has 16 divisors (see below), whose sum is σ = 108898128. Its totient is φ = 16132992.

The previous prime is 51424007. The next prime is 51424019. The reversal of 51424014 is 41042415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51424019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251977 + ... + 252180.

It is an arithmetic number, because the mean of its divisors is an integer number (6806133).

Almost surely, 2^51424014 is an apocalyptic number.

51424014 is an abundant number, since it is smaller than the sum of its proper divisors (57474114).

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

51424014 is a wasteful number, since it uses less digits than its factorization.

51424014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504179.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 51424014 is about 7171.0538974407. The cubic root of 51424014 is about 371.8678713319.

Adding to 51424014 its reverse (41042415), we get a palindrome (92466429).

The spelling of 51424014 in words is "fifty-one million, four hundred twenty-four thousand, fourteen".