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55431162107 = 2914391328297
BaseRepresentation
bin110011100111111101…
…000110100011111011
312022002002111210101222
4303213331012203323
51402010334141412
641244214102255
74001431050416
oct634775064373
9168062453358
1055431162107
112156549a582
12a8ab94a98b
1352c5030b09
14297bb88b7d
1516965b8072
hexce7f468fb

55431162107 has 8 divisors (see below), whose sum is σ = 57382473600. Its totient is φ = 53482510144.

The previous prime is 55431162091. The next prime is 55431162109. The reversal of 55431162107 is 70126113455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55431162107 - 24 = 55431162091 is a prime.

It is a super-2 number, since 2×554311621072 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55431162109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622418 + ... + 705879.

It is an arithmetic number, because the mean of its divisors is an integer number (7172809200).

Almost surely, 255431162107 is an apocalyptic number.

55431162107 is a deficient number, since it is larger than the sum of its proper divisors (1951311493).

55431162107 is a wasteful number, since it uses less digits than its factorization.

55431162107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329765.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 55431162107 in words is "fifty-five billion, four hundred thirty-one million, one hundred sixty-two thousand, one hundred seven".

Divisors: 1 29 1439 41731 1328297 38520613 1911419383 55431162107