53481766320 has 100 divisors (see below), whose sum is σ = 185750120160. Its totient is φ = 14261802624.

The previous prime is 53481766241. The next prime is 53481766361. The reversal of 53481766320 is 2366718435.

53481766320 is a `hidden beast` number, since 5 + 3 + 4 + 8 + 1 + 7 + 6 + 632 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4120200 + ... + 4133159.

Almost surely, 2^53481766320 is an apocalyptic number.

It is an amenable number.

53481766320 is an abundant number, since it is smaller than the sum of its proper divisors (132268353840).

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

53481766320 is a wasteful number, since it uses less digits than its factorization.

53481766320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8253384 (or 8253369 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 53481766320 in words is "fifty-three billion, four hundred eighty-one million, seven hundred sixty-six thousand, three hundred twenty".