53381828920 has 96 divisors (see below), whose sum is σ = 139802021280. Its totient is φ = 18291436800.

The previous prime is 53381828897. The next prime is 53381828957. The reversal of 53381828920 is 2982818335.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3718797 + ... + 3733123.

It is an arithmetic number, because the mean of its divisors is an integer number (1456271055).

Almost surely, 2^53381828920 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 53381828920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69901010640).

53381828920 is an abundant number, since it is smaller than the sum of its proper divisors (86420192360).

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

53381828920 is a wasteful number, since it uses less digits than its factorization.

53381828920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16253 (or 16242 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 53381828920 in words is "fifty-three billion, three hundred eighty-one million, eight hundred twenty-eight thousand, nine hundred twenty".