53745526772420 has 192 divisors, whose sum is σ = 133173962127360. Its totient is φ = 17834685235200.

The previous prime is 53745526772417. The next prime is 53745526772423. The reversal of 53745526772420 is 2427762554735.

53745526772420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53745526772417) and next prime (53745526772423).

It is a self number, because there is not a number n which added to its sum of digits gives 53745526772420.

It is not an unprimeable number, because it can be changed into a prime (53745526772423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 899793116 + ... + 899852844.

It is an arithmetic number, because the mean of its divisors is an integer number (693614386080).

Almost surely, 2^{53745526772420} 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 53745526772420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66586981063680).

53745526772420 is an abundant number, since it is smaller than the sum of its proper divisors (79428435354940).

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

53745526772420 is a wasteful number, since it uses less digits than its factorization.

53745526772420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60694 (or 60692 counting only the distinct ones).

The product of its (nonzero) digits is 98784000, while the sum is 59.

The spelling of 53745526772420 in words is "fifty-three trillion, seven hundred forty-five billion, five hundred twenty-six million, seven hundred seventy-two thousand, four hundred twenty".