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50555049768720 = 24325755031822781
BaseRepresentation
bin10110111111010110000111…
…10010000111011100010000
320122000000102100012222102100
423133223003302013130100
523111243220220044340
6255304400320120400
713435324155543150
oct1337530362073420
9218000370188370
1050555049768720
1115121304699612
125805aa7a66100
1322294228763a3
14c6ac3da96760
155ca0bd620830
hex2dfac3c87710

50555049768720 has 240 divisors, whose sum is σ = 194070462124032. Its totient is φ = 11553333765120.

The previous prime is 50555049768673. The next prime is 50555049768721. The reversal of 50555049768720 is 2786794055505.

50555049768720 is a `hidden beast` number, since 5 + 0 + 5 + 550 + 4 + 9 + 7 + 6 + 8 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×505550497687202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (50555049768721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26823730 + ... + 28646510.

Almost surely, 250555049768720 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 50555049768720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97035231062016).

50555049768720 is an abundant number, since it is smaller than the sum of its proper divisors (143515412355312).

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

50555049768720 is a wasteful number, since it uses less digits than its factorization.

50555049768720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828310 (or 1828301 counting only the distinct ones).

The product of its (nonzero) digits is 105840000, while the sum is 63.

The spelling of 50555049768720 in words is "fifty trillion, five hundred fifty-five billion, forty-nine million, seven hundred sixty-eight thousand, seven hundred twenty".