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55074567240 = 233257211283831
BaseRepresentation
bin110011010010101100…
…110011010001001000
312021011020111220012200
4303102230303101020
51400243042122430
641144555040200
73656541045300
oct632254632110
9167136456180
1055074567240
11213a2180580
12a810440060
1352691a8c34
142946682600
15167512a460
hexcd2b33448

55074567240 has 288 divisors, whose sum is σ = 227145072960. Its totient is φ = 11444025600.

The previous prime is 55074567221. The next prime is 55074567283. The reversal of 55074567240 is 4276547055.

55074567240 is a `hidden beast` number, since 5 + 507 + 45 + 67 + 2 + 40 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 52125 + ... + 335955.

It is an arithmetic number, because the mean of its divisors is an integer number (788698170).

Almost surely, 255074567240 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 55074567240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113572536480).

55074567240 is an abundant number, since it is smaller than the sum of its proper divisors (172070505720).

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

55074567240 is a wasteful number, since it uses less digits than its factorization.

55074567240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283873 (or 283859 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 55074567240 in words is "fifty-five billion, seventy-four million, five hundred sixty-seven thousand, two hundred forty".