53275537436940 has 768 divisors, whose sum is σ = 208528320000000. Its totient is φ = 11220577643520.

The previous prime is 53275537436893. The next prime is 53275537436941. The reversal of 53275537436940 is 4963473557235.

53275537436940 is a `hidden beast` number, since 5 + 3 + 2 + 7 + 5 + 537 + 4 + 3 + 6 + 94 + 0 = 666.

53275537436940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (53275537436941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1374868686 + ... + 1374907434.

It is an arithmetic number, because the mean of its divisors is an integer number (271521250000).

Almost surely, 2^{53275537436940} 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 53275537436940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104264160000000).

53275537436940 is an abundant number, since it is smaller than the sum of its proper divisors (155252782563060).

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

53275537436940 is a wasteful number, since it uses less digits than its factorization.

53275537436940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39372 (or 39350 counting only the distinct ones).

The product of its (nonzero) digits is 285768000, while the sum is 63.

The spelling of 53275537436940 in words is "fifty-three trillion, two hundred seventy-five billion, five hundred thirty-seven million, four hundred thirty-six thousand, nine hundred forty".