51784488 has 128 divisors (see below), whose sum is σ = 170208000. Its totient is φ = 14273280.

The previous prime is 51784463. The next prime is 51784511. The reversal of 51784488 is 88448715.

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 31 ways as a sum of consecutive naturals, for example, 43258 + ... + 44438.

It is an arithmetic number, because the mean of its divisors is an integer number (1329750).

Almost surely, 2^51784488 is an apocalyptic number.

51784488 is a gapful number since it is divisible by the number (58) 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 51784488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85104000).

51784488 is an abundant number, since it is smaller than the sum of its proper divisors (118423512).

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

51784488 is a wasteful number, since it uses less digits than its factorization.

51784488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1222 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 51784488 is about 7196.1439674314. The cubic root of 51784488 is about 372.7347600537.

The spelling of 51784488 in words is "fifty-one million, seven hundred eighty-four thousand, four hundred eighty-eight".