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55041019 = 1117294337
BaseRepresentation
bin1101000111110…
…1101111111011
310211120101002021
43101331233323
5103042303034
65243415311
71235561305
oct321755773
9124511067
1055041019
1129084150
1216524537
13b531a67
14744a975
154c736b4
hex347dbfb

55041019 has 8 divisors (see below), whose sum is σ = 63577008. Its totient is φ = 47093760.

The previous prime is 55040963. The next prime is 55041023. The reversal of 55041019 is 91014055.

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 55041019 - 29 = 55040507 is a prime.

It is a super-2 number, since 2×550410192 = 6059027545116722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55040984 and 55041002.

It is not an unprimeable number, because it can be changed into a prime (55041059) 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, 146982 + ... + 147355.

It is an arithmetic number, because the mean of its divisors is an integer number (7947126).

Almost surely, 255041019 is an apocalyptic number.

55041019 is a deficient number, since it is larger than the sum of its proper divisors (8535989).

55041019 is a wasteful number, since it uses less digits than its factorization.

55041019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294365.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 55041019 is about 7418.9634720761. The cubic root of 55041019 is about 380.3897639811.

The spelling of 55041019 in words is "fifty-five million, forty-one thousand, nineteen".

Divisors: 1 11 17 187 294337 3237707 5003729 55041019