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55557153248 = 253381151349
BaseRepresentation
bin110011101111011101…
…101110000111100000
312022101212120210202112
4303233131232013200
51402240112400443
641304514334452
74004521003502
oct635735560740
9168355523675
1055557153248
112161a623593
12a925b8a428
13531517499c
1429907c3d72
1516a26a3b18
hexcef76e1e0

55557153248 has 24 divisors (see below), whose sum is σ = 109383510600. Its totient is φ = 27777214080.

The previous prime is 55557153241. The next prime is 55557153257. The reversal of 55557153248 is 84235175555.

It is a junction number, because it is equal to n+sod(n) for n = 55557153196 and 55557153205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55557153241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056278 + ... + 1107626.

It is an arithmetic number, because the mean of its divisors is an integer number (4557646275).

Almost surely, 255557153248 is an apocalyptic number.

It is an amenable number.

55557153248 is a deficient number, since it is larger than the sum of its proper divisors (53826357352).

55557153248 is a wasteful number, since it uses less digits than its factorization.

55557153248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85170 (or 85162 counting only the distinct ones).

The product of its digits is 4200000, while the sum is 50.

The spelling of 55557153248 in words is "fifty-five billion, five hundred fifty-seven million, one hundred fifty-three thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 33811 51349 67622 102698 135244 205396 270488 410792 540976 821584 1081952 1643168 1736161039 3472322078 6944644156 13889288312 27778576624 55557153248