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55414545504 = 25331113367449
BaseRepresentation
bin110011100110111101…
…101101110001100000
312022000221020120201020
4303212331231301200
51401442110424004
641242422005440
74001136602463
oct634675556140
9168027216636
1055414545504
112155708024a
12a8a6276880
1352c17636c6
1429798a12da
151694dd48d9
hexce6f6dc60

55414545504 has 192 divisors, whose sum is σ = 152235417600. Its totient is φ = 17629839360.

The previous prime is 55414545491. The next prime is 55414545559. The reversal of 55414545504 is 40554541455.

It is a happy number.

It is a super-2 number, since 2×554145455042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 123417472 + ... + 123417920.

It is an arithmetic number, because the mean of its divisors is an integer number (792892800).

Almost surely, 255414545504 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 55414545504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76117708800).

55414545504 is an abundant number, since it is smaller than the sum of its proper divisors (96820872096).

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

55414545504 is a wasteful number, since it uses less digits than its factorization.

55414545504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 800000, while the sum is 42.

The spelling of 55414545504 in words is "fifty-five billion, four hundred fourteen million, five hundred forty-five thousand, five hundred four".