53777361430528 has 96 divisors (see below), whose sum is σ = 113445724392000. Its totient is φ = 25415452753920.

The previous prime is 53777361430501. The next prime is 53777361430591. The reversal of 53777361430528 is 82503416377735.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15508308 + ... + 18656428.

It is an arithmetic number, because the mean of its divisors is an integer number (1181726295750).

Almost surely, 2^{53777361430528} 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 53777361430528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56722862196000).

53777361430528 is an abundant number, since it is smaller than the sum of its proper divisors (59668362961472).

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

53777361430528 is a wasteful number, since it uses less digits than its factorization.

53777361430528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148601 (or 3148581 counting only the distinct ones).

The product of its (nonzero) digits is 88905600, while the sum is 61.

The spelling of 53777361430528 in words is "fifty-three trillion, seven hundred seventy-seven billion, three hundred sixty-one million, four hundred thirty thousand, five hundred twenty-eight".