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53364445680 = 243572131720533
BaseRepresentation
bin110001101100110001…
…001101000111110000
312002202001121201110010
4301230301031013300
51333242244230210
640303145134520
73566264206200
oct615461150760
9162661551403
1053364445680
11206a4924977
12a41378a440
135055ac76a0
1428234c4400
1515c4e27920
hexc6cc4d1f0

53364445680 has 480 divisors, whose sum is σ = 219443079744. Its totient is φ = 10596483072.

The previous prime is 53364445643. The next prime is 53364445699. The reversal of 53364445680 is 8654446335.

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

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 2588694 + ... + 2609226.

Almost surely, 253364445680 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 53364445680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109721539872).

53364445680 is an abundant number, since it is smaller than the sum of its proper divisors (166078634064).

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

53364445680 is a wasteful number, since it uses less digits than its factorization.

53364445680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20593 (or 20580 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 53364445680 in words is "fifty-three billion, three hundred sixty-four million, four hundred forty-five thousand, six hundred eighty".