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55162466868 = 22312253375163
BaseRepresentation
bin110011010111111100…
…000111001000110100
312021101100220122211110
4303113330013020310
51400433042414433
641201415035020
73661656142365
oct632774071064
9167340818743
1055162466868
11214378578a3
12a83596ba70
135281473b52
142954203b6c
15167cbde963
hexcd7f07234

55162466868 has 24 divisors (see below), whose sum is σ = 128723270368. Its totient is φ = 18385939296.

The previous prime is 55162466839. The next prime is 55162466917. The reversal of 55162466868 is 86866426155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40546 + ... + 334617.

Almost surely, 255162466868 is an apocalyptic number.

It is an amenable number.

55162466868 is an abundant number, since it is smaller than the sum of its proper divisors (73560803500).

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

55162466868 is a wasteful number, since it uses less digits than its factorization.

55162466868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387423 (or 387421 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 57.

The spelling of 55162466868 in words is "fifty-five billion, one hundred sixty-two million, four hundred sixty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 12253 24506 36759 49012 73518 147036 375163 750326 1125489 1500652 2250978 4501956 4596872239 9193744478 13790616717 18387488956 27581233434 55162466868