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55013409792 = 2103311533413
BaseRepresentation
bin110011001111000011…
…100000010000000000
312020222222102202222000
4303033003200100000
51400131413103132
641134532144000
73655166160555
oct631703402000
9166888382860
1055013409792
11213706aa030
12a7b3a68000
1352596151b3
14293c4c2a2c
15166ea9987c
hexccf0e0400

55013409792 has 352 divisors, whose sum is σ = 181140831360. Its totient is φ = 16351395840.

The previous prime is 55013409743. The next prime is 55013409811. The reversal of 55013409792 is 29790431055.

It is a happy number.

55013409792 is a `hidden beast` number, since 550 + 1 + 3 + 4 + 0 + 9 + 7 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (352).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16117078 + ... + 16120490.

Almost surely, 255013409792 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 55013409792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90570415680).

55013409792 is an abundant number, since it is smaller than the sum of its proper divisors (126127421568).

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

55013409792 is a wasteful number, since it uses less digits than its factorization.

55013409792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506 (or 3482 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 55013409792 in words is "fifty-five billion, thirteen million, four hundred nine thousand, seven hundred ninety-two".