53477910720 has 560 divisors, whose sum is σ = 215671542240. Its totient is φ = 12469469184.

The previous prime is 53477910643. The next prime is 53477910727. The reversal of 53477910720 is 2701977435.

53477910720 is a `hidden beast` number, since 53 + 477 + 9 + 107 + 20 = 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 (53477910727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6398064 + ... + 6406416.

It is an arithmetic number, because the mean of its divisors is an integer number (385127754).

Almost surely, 2^53477910720 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 53477910720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107835771120).

53477910720 is an abundant number, since it is smaller than the sum of its proper divisors (162193631520).

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

53477910720 is a wasteful number, since it uses less digits than its factorization.

53477910720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414 (or 8395 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 53477910720 in words is "fifty-three billion, four hundred seventy-seven million, nine hundred ten thousand, seven hundred twenty".