51803158284 has 120 divisors (see below), whose sum is σ = 136645141248. Its totient is φ = 17112695040.

The previous prime is 51803158259. The next prime is 51803158321. The reversal of 51803158284 is 48285130815.

51803158284 is a `hidden beast` number, since 5 + 180 + 315 + 82 + 84 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18130584 + ... + 18133440.

Almost surely, 2^51803158284 is an apocalyptic number.

51803158284 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 51803158284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68322570624).

51803158284 is an abundant number, since it is smaller than the sum of its proper divisors (84841982964).

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

51803158284 is a wasteful number, since it uses less digits than its factorization.

51803158284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357 (or 3346 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 45.

The spelling of 51803158284 in words is "fifty-one billion, eight hundred three million, one hundred fifty-eight thousand, two hundred eighty-four".