51879744 has 112 divisors (see below), whose sum is σ = 174345600. Its totient is φ = 14819328.

The previous prime is 51879727. The next prime is 51879757. The reversal of 51879744 is 44797815.

It is a happy number.

51879744 is a `hidden beast` number, since 518 + 7 + 97 + 44 = 666.

51879744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 51879744.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9952 + ... + 14240.

Almost surely, 2^51879744 is an apocalyptic number.

51879744 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51879744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87172800).

51879744 is an abundant number, since it is smaller than the sum of its proper divisors (122465856).

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

51879744 is a wasteful number, since it uses less digits than its factorization.

51879744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317 (or 4301 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 51879744 is about 7202.7594712027. The cubic root of 51879744 is about 372.9631648368.

The spelling of 51879744 in words is "fifty-one million, eight hundred seventy-nine thousand, seven hundred forty-four".