53118305280 has 176 divisors, whose sum is σ = 188773357440. Its totient is φ = 14164844544.

The previous prime is 53118305267. The next prime is 53118305293. The reversal of 53118305280 is 8250381135.

53118305280 is a `hidden beast` number, since 53 + 1 + 1 + 83 + 0 + 528 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (53118305267) and next prime (53118305293).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53884 + ... + 330363.

Almost surely, 2^53118305280 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 53118305280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94386678720).

53118305280 is an abundant number, since it is smaller than the sum of its proper divisors (135655052160).

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

53118305280 is a wasteful number, since it uses less digits than its factorization.

53118305280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384281 (or 384257 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 53118305280 in words is "fifty-three billion, one hundred eighteen million, three hundred five thousand, two hundred eighty".