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55321412356 = 22710119562027
BaseRepresentation
bin110011100001011010…
…011100001100000100
312021210102222221001101
4303201122130030010
51401244240143411
641225253505444
73665626150330
oct634132341404
9167712887041
1055321412356
1121509549a01
12a87b042284
1352a8385632
14296b37a7c0
15168bb398c1
hexce169c304

55321412356 has 24 divisors (see below), whose sum is σ = 111738303936. Its totient is φ = 23474431200.

The previous prime is 55321412351. The next prime is 55321412357. The reversal of 55321412356 is 65321412355.

It is not an unprimeable number, because it can be changed into a prime (55321412351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9778186 + ... + 9783841.

It is an arithmetic number, because the mean of its divisors is an integer number (4655762664).

Almost surely, 255321412356 is an apocalyptic number.

It is an amenable number.

55321412356 is an abundant number, since it is smaller than the sum of its proper divisors (56416891580).

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

55321412356 is a wasteful number, since it uses less digits than its factorization.

55321412356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19562139 (or 19562137 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

Subtracting 55321412356 from its reverse (65321412355), we obtain a palindrome (9999999999).

The spelling of 55321412356 in words is "fifty-five billion, three hundred twenty-one million, four hundred twelve thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 101 202 404 707 1414 2828 19562027 39124054 78248108 136934189 273868378 547736756 1975764727 3951529454 7903058908 13830353089 27660706178 55321412356