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54227905849 = 1337269941771
BaseRepresentation
bin110010100000001111…
…000010110100111001
312011222020101001010101
4302200033002310321
51342024320441344
640524552115401
73626550410605
oct624017026471
9164866331111
1054227905849
1120aa826a317
12a614995b61
135162969470
1428a604c505
151625b379d4
hexca03c2d39

54227905849 has 16 divisors (see below), whose sum is σ = 60001300800. Its totient is φ = 48684438720.

The previous prime is 54227905847. The next prime is 54227905937. The reversal of 54227905849 is 94850972245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54227905849 - 21 = 54227905847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54227905849.

It is not an unprimeable number, because it can be changed into a prime (54227905847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277334 + ... + 1319104.

It is an arithmetic number, because the mean of its divisors is an integer number (3750081300).

Almost surely, 254227905849 is an apocalyptic number.

It is an amenable number.

54227905849 is a deficient number, since it is larger than the sum of its proper divisors (5773394951).

54227905849 is a wasteful number, since it uses less digits than its factorization.

54227905849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44520.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 54227905849 in words is "fifty-four billion, two hundred twenty-seven million, nine hundred five thousand, eight hundred forty-nine".

Divisors: 1 13 37 481 2699 35087 41771 99863 543023 1298219 1545527 20091851 112739929 1465619077 4171377373 54227905849