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55172046137 = 13199101920929
BaseRepresentation
bin110011011000100000…
…101001110100111001
312021102000221100010012
4303120200221310321
51400443020434022
641202400231305
73662133440315
oct633040516471
9167360840105
1055172046137
11214421aa94a
12a83900b535
135283449060
1429555b8b45
15167d982de2
hexcd8829d39

55172046137 has 16 divisors (see below), whose sum is σ = 59776080000. Its totient is φ = 50619976704.

The previous prime is 55172046133. The next prime is 55172046169. The reversal of 55172046137 is 73164027155.

It is a cyclic number.

It is not a de Polignac number, because 55172046137 - 22 = 55172046133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55172046094 and 55172046103.

It is not an unprimeable number, because it can be changed into a prime (55172046133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625689 + ... + 2646617.

It is an arithmetic number, because the mean of its divisors is an integer number (3736005000).

Almost surely, 255172046137 is an apocalyptic number.

It is an amenable number.

55172046137 is a deficient number, since it is larger than the sum of its proper divisors (4604033863).

55172046137 is a wasteful number, since it uses less digits than its factorization.

55172046137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22160.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 55172046137 in words is "fifty-five billion, one hundred seventy-two million, forty-six thousand, one hundred thirty-seven".

Divisors: 1 13 199 1019 2587 13247 20929 202781 272077 2636153 4164871 21326651 54143323 277246463 4244003549 55172046137