53873816747520 has 2560 divisors, whose sum is σ = 229710554726400. Its totient is φ = 10445783040000.

The previous prime is 53873816747503. The next prime is 53873816747537. The reversal of 53873816747520 is 2574761837835.

It is an interprime number because it is at equal distance from previous prime (53873816747503) and next prime (53873816747537).

It is a tau number, because it is divible by the number of its divisors (2560).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 71736107145 + ... + 71736107895.

It is an arithmetic number, because the mean of its divisors is an integer number (89730685440).

Almost surely, 2^{53873816747520} 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 53873816747520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114855277363200).

53873816747520 is an abundant number, since it is smaller than the sum of its proper divisors (175836737978880).

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

53873816747520 is a wasteful number, since it uses less digits than its factorization.

53873816747520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 944 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 66.

The spelling of 53873816747520 in words is "fifty-three trillion, eight hundred seventy-three billion, eight hundred sixteen million, seven hundred forty-seven thousand, five hundred twenty".