51879424 has 40 divisors (see below), whose sum is σ = 109133640. Its totient is φ = 24569856.

The previous prime is 51879419. The next prime is 51879433. The reversal of 51879424 is 42497815.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7062 + ... + 12394.

It is an arithmetic number, because the mean of its divisors is an integer number (2728341).

Almost surely, 2^51879424 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 51879424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54566820).

51879424 is an abundant number, since it is smaller than the sum of its proper divisors (57254216).

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

51879424 is an equidigital number, since it uses as much as digits as its factorization.

51879424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5370 (or 5354 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 51879424 is about 7202.7372574598. The cubic root of 51879424 is about 372.9623980093.

The spelling of 51879424 in words is "fifty-one million, eight hundred seventy-nine thousand, four hundred twenty-four".