53648477736 has 256 divisors, whose sum is σ = 168794357760. Its totient is φ = 13856071680.

The previous prime is 53648477711. The next prime is 53648477797. The reversal of 53648477736 is 63777484635.

It is a self number, because there is not a number n which added to its sum of digits gives 53648477736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12127221 + ... + 12131643.

It is an arithmetic number, because the mean of its divisors is an integer number (659352960).

Almost surely, 2^53648477736 is an apocalyptic number.

53648477736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53648477736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84397178880).

53648477736 is an abundant number, since it is smaller than the sum of its proper divisors (115145880024).

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

53648477736 is a wasteful number, since it uses less digits than its factorization.

53648477736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624 (or 4620 counting only the distinct ones).

The product of its digits is 71124480, while the sum is 60.

The spelling of 53648477736 in words is "fifty-three billion, six hundred forty-eight million, four hundred seventy-seven thousand, seven hundred thirty-six".