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55411143 = 3171086493
BaseRepresentation
bin1101001101100…
…0000111000111
310212021011210120
43103120013013
5103141124033
65255353023
71241662344
oct323300707
9125234716
1055411143
1129307237
1216682773
13b631378
1475057cb
154ce81b3
hex34d81c7

55411143 has 8 divisors (see below), whose sum is σ = 78227568. Its totient is φ = 34767744.

The previous prime is 55411123. The next prime is 55411151. The reversal of 55411143 is 34111455.

It is a happy number.

55411143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55411143 - 210 = 55410119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55411123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543196 + ... + 543297.

It is an arithmetic number, because the mean of its divisors is an integer number (9778446).

Almost surely, 255411143 is an apocalyptic number.

55411143 is a deficient number, since it is larger than the sum of its proper divisors (22816425).

55411143 is a wasteful number, since it uses less digits than its factorization.

55411143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086513.

The product of its digits is 1200, while the sum is 24.

The square root of 55411143 is about 7443.8661325953. The cubic root of 55411143 is about 381.2405050757.

Adding to 55411143 its reverse (34111455), we get a palindrome (89522598).

The spelling of 55411143 in words is "fifty-five million, four hundred eleven thousand, one hundred forty-three".

Divisors: 1 3 17 51 1086493 3259479 18470381 55411143