54243829520 has 80 divisors (see below), whose sum is σ = 130610234160. Its totient is φ = 20926144512.

The previous prime is 54243829499. The next prime is 54243829547. The reversal of 54243829520 is 2592834245.

It can be written as a sum of positive squares in 8 ways, for example, as 2553078784 + 51690750736 = 50528^2 + 227356^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161364 + ... + 2186316.

It is an arithmetic number, because the mean of its divisors is an integer number (1632627927).

Almost surely, 2^54243829520 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 54243829520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65305117080).

54243829520 is an abundant number, since it is smaller than the sum of its proper divisors (76366404640).

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

54243829520 is a wasteful number, since it uses less digits than its factorization.

54243829520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25932 (or 25926 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 54243829520 in words is "fifty-four billion, two hundred forty-three million, eight hundred twenty-nine thousand, five hundred twenty".