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55610061131 = 591342170229
BaseRepresentation
bin110011110010100111…
…100011000101001011
312022112120010210201202
4303302213203011023
51402342133424011
641314044334415
74006032502052
oct636247430513
9168476123652
1055610061131
1121647480009
12a93b84440b
13532310a821
142997837399
1516a715523b
hexcf29e314b

55610061131 has 8 divisors (see below), whose sum is σ = 56557623600. Its totient is φ = 54662666080.

The previous prime is 55610061041. The next prime is 55610061179. The reversal of 55610061131 is 13116001655.

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 55610061131 - 218 = 55609798987 is a prime.

It is a super-2 number, since 2×556100611312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55610061094 and 55610061103.

It is not an unprimeable number, because it can be changed into a prime (55610061431) by changing a digit.

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, 756725 + ... + 826953.

It is an arithmetic number, because the mean of its divisors is an integer number (7069702950).

Almost surely, 255610061131 is an apocalyptic number.

55610061131 is a deficient number, since it is larger than the sum of its proper divisors (947562469).

55610061131 is a wasteful number, since it uses less digits than its factorization.

55610061131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83709.

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 55610061131 its reverse (13116001655), we get a palindrome (68726062786).

The spelling of 55610061131 in words is "fifty-five billion, six hundred ten million, sixty-one thousand, one hundred thirty-one".

Divisors: 1 59 13421 70229 791839 4143511 942543409 55610061131