53609345280 has 216 divisors, whose sum is σ = 189798056448. Its totient is φ = 13963235328.

The previous prime is 53609345267. The next prime is 53609345281. The reversal of 53609345280 is 8254390635.

53609345280 is a `hidden beast` number, since 5 + 3 + 609 + 34 + 5 + 2 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (53609345281) 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 23 ways as a sum of consecutive naturals, for example, 441249 + ... + 549471.

Almost surely, 2^53609345280 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 53609345280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94899028224).

53609345280 is an abundant number, since it is smaller than the sum of its proper divisors (136188711168).

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

53609345280 is a wasteful number, since it uses less digits than its factorization.

53609345280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108293 (or 108276 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 53609345280 in words is "fifty-three billion, six hundred nine million, three hundred forty-five thousand, two hundred eighty".