53747644608 has 280 divisors, whose sum is σ = 185078181024. Its totient is φ = 15104102400.

The previous prime is 53747644579. The next prime is 53747644631. The reversal of 53747644608 is 80644674735.

53747644608 is a `hidden beast` number, since 53 + 74 + 7 + 64 + 460 + 8 = 666.

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 39 ways as a sum of consecutive naturals, for example, 2201428 + ... + 2225708.

Almost surely, 2^53747644608 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 53747644608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92539090512).

53747644608 is an abundant number, since it is smaller than the sum of its proper divisors (131330536416).

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

53747644608 is a wasteful number, since it uses less digits than its factorization.

53747644608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24373 (or 24354 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 53747644608 in words is "fifty-three billion, seven hundred forty-seven million, six hundred forty-four thousand, six hundred eight".