53350975728240 has 320 divisors, whose sum is σ = 179839337164800. Its totient is φ = 13033869926400.

The previous prime is 53350975728233. The next prime is 53350975728353. The reversal of 53350975728240 is 4282757905335.

It is a super-2 number, since 2×53350975728240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 195081516 + ... + 195354804.

It is an arithmetic number, because the mean of its divisors is an integer number (561997928640).

Almost surely, 2^{53350975728240} 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 53350975728240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89919668582400).

53350975728240 is an abundant number, since it is smaller than the sum of its proper divisors (126488361436560).

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

53350975728240 is a wasteful number, since it uses less digits than its factorization.

53350975728240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274736 (or 274730 counting only the distinct ones).

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 53350975728240 in words is "fifty-three trillion, three hundred fifty billion, nine hundred seventy-five million, seven hundred twenty-eight thousand, two hundred forty".