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55351454044500 = 2236534173113449
BaseRepresentation
bin11001001010111100000111…
…10000011001000101010100
321020222112210000001201000000
430211132003300121011110
524223334234213411000
6313420035033451300
714442003426315315
oct1445360360310524
9236875700051000
1055351454044500
1116700468887069
12625b595b70b30
1324b68096a7603
14d9504b9a260c
1565ec41da3000
hex325783c19154

55351454044500 has 1344 divisors, whose sum is σ = 190301046062400. Its totient is φ = 14046068736000.

The previous prime is 55351454044483. The next prime is 55351454044529. The reversal of 55351454044500 is 544045415355.

55351454044500 is a `hidden beast` number, since 5 + 5 + 3 + 5 + 14 + 540 + 44 + 50 + 0 = 666.

It can be written as a sum of positive squares in 32 ways, for example, as 49252352072004 + 6099101972496 = 7018002^2 + 2469636^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 123277180276 + ... + 123277180724.

It is an arithmetic number, because the mean of its divisors is an integer number (141593040225).

Almost surely, 255351454044500 is an apocalyptic number.

55351454044500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55351454044500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95150523031200).

55351454044500 is an abundant number, since it is smaller than the sum of its proper divisors (134949592017900).

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

55351454044500 is a wasteful number, since it uses less digits than its factorization.

55351454044500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 2400000, while the sum is 45.

Adding to 55351454044500 its reverse (544045415355), we get a palindrome (55895499459855).

The spelling of 55351454044500 in words is "fifty-five trillion, three hundred fifty-one billion, four hundred fifty-four million, forty-four thousand, five hundred".