53759447040 has 208 divisors, whose sum is σ = 185243462208. Its totient is φ = 13232898048.

The previous prime is 53759447033. The next prime is 53759447087. The reversal of 53759447040 is 4074495735.

It is a tau number, because it is divible by the number of its divisors (208).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765067 + ... + 832373.

Almost surely, 2^53759447040 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 53759447040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92621731104).

53759447040 is an abundant number, since it is smaller than the sum of its proper divisors (131484015168).

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

53759447040 is a wasteful number, since it uses less digits than its factorization.

53759447040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67352 (or 67330 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 53759447040 in words is "fifty-three billion, seven hundred fifty-nine million, four hundred forty-seven thousand, forty".