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55267143 = 319969599
BaseRepresentation
bin1101001011010…
…0111101000111
310211222212021020
43102310331013
5103122022033
65252322223
71240522461
oct322647507
9124885236
1055267143
1129219028
1216613373
13b5b0969
1474a9131
154cba6b3
hex34b4f47

55267143 has 8 divisors (see below), whose sum is σ = 77568000. Its totient is φ = 34905528.

The previous prime is 55267133. The next prime is 55267171. The reversal of 55267143 is 34176255.

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

It is not a de Polignac number, because 55267143 - 25 = 55267111 is a prime.

It is a super-3 number, since 3×552671433 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55267123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484743 + ... + 484856.

It is an arithmetic number, because the mean of its divisors is an integer number (9696000).

Almost surely, 255267143 is an apocalyptic number.

55267143 is a deficient number, since it is larger than the sum of its proper divisors (22300857).

55267143 is a wasteful number, since it uses less digits than its factorization.

55267143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969621.

The product of its digits is 25200, while the sum is 33.

The square root of 55267143 is about 7434.1874471929. The cubic root of 55267143 is about 380.9099683246.

The spelling of 55267143 in words is "fifty-five million, two hundred sixty-seven thousand, one hundred forty-three".

Divisors: 1 3 19 57 969599 2908797 18422381 55267143