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53229065472 = 2832112431443
BaseRepresentation
bin110001100100101100…
…110001010100000000
312002101121212200201100
4301210230301110000
51333003120043342
640241511334400
73563031406542
oct614454612400
9162347780640
1053229065472
1120635468800
12a396381400
135033a4705b
14280d523692
1515b80d4e4c
hexc64b31500

53229065472 has 324 divisors, whose sum is σ = 169466012352. Its totient is φ = 16056268800.

The previous prime is 53229065453. The next prime is 53229065489. The reversal of 53229065472 is 27456092235.

53229065472 is a `hidden beast` number, since 5 + 32 + 2 + 90 + 65 + 472 = 666.

It is a super-2 number, since 2×532290654722 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 120155683 + ... + 120156125.

It is an arithmetic number, because the mean of its divisors is an integer number (523043248).

Almost surely, 253229065472 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 53229065472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84733006176).

53229065472 is an abundant number, since it is smaller than the sum of its proper divisors (116236946880).

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

53229065472 is a wasteful number, since it uses less digits than its factorization.

53229065472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 53229065472 in words is "fifty-three billion, two hundred twenty-nine million, sixty-five thousand, four hundred seventy-two".