51274448 has 40 divisors (see below), whose sum is σ = 106064640. Its totient is φ = 23928320.

The previous prime is 51274441. The next prime is 51274451. The reversal of 51274448 is 84447215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51274441) 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, 34913 + ... + 36351.

It is an arithmetic number, because the mean of its divisors is an integer number (2651616).

Almost surely, 2^51274448 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 51274448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53032320).

51274448 is an abundant number, since it is smaller than the sum of its proper divisors (54790192).

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

51274448 is a wasteful number, since it uses less digits than its factorization.

51274448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595 (or 1589 counting only the distinct ones).

The product of its digits is 35840, while the sum is 35.

The square root of 51274448 is about 7160.6178504372. The cubic root of 51274448 is about 371.5069971335.

The spelling of 51274448 in words is "fifty-one million, two hundred seventy-four thousand, four hundred forty-eight".