53366678280 has 448 divisors, whose sum is σ = 191967874560. Its totient is φ = 13314875904.

The previous prime is 53366678147. The next prime is 53366678297. The reversal of 53366678280 is 8287666335.

It is a super-4 number, since 4×53366678280⁴ (a number of 44 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 111 ways as a sum of consecutive naturals, for example, 31521114 + ... + 31522806.

It is an arithmetic number, because the mean of its divisors is an integer number (428499720).

Almost surely, 2^53366678280 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 53366678280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95983937280).

53366678280 is an abundant number, since it is smaller than the sum of its proper divisors (138601196280).

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

53366678280 is a wasteful number, since it uses less digits than its factorization.

53366678280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 53366678280 in words is "fifty-three billion, three hundred sixty-six million, six hundred seventy-eight thousand, two hundred eighty".