53733451520 has 144 divisors (see below), whose sum is σ = 147921500160. Its totient is φ = 18319429632.

The previous prime is 53733451517. The next prime is 53733451601. The reversal of 53733451520 is 2515433735.

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, 1587089 + ... + 1620591.

It is an arithmetic number, because the mean of its divisors is an integer number (1027232640).

Almost surely, 2^53733451520 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 53733451520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73960750080).

53733451520 is an abundant number, since it is smaller than the sum of its proper divisors (94188048640).

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

53733451520 is a wasteful number, since it uses less digits than its factorization.

53733451520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33710 (or 33696 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 53733451520 in words is "fifty-three billion, seven hundred thirty-three million, four hundred fifty-one thousand, five hundred twenty".