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55741143 = 359931019
BaseRepresentation
bin1101010010100…
…0101011010111
310212212221110210
43110220223113
5103232204033
65310420503
71244535423
oct324505327
9125787423
1055741143
1129512167
1216801733
13b718633
14758db83
154d60d63
hex3528ad7

55741143 has 8 divisors (see below), whose sum is σ = 74448000. Its totient is φ = 37097528.

The previous prime is 55741139. The next prime is 55741151. The reversal of 55741143 is 34114755.

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 55741143 - 22 = 55741139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55741143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55741163) 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, 13713 + ... + 17306.

It is an arithmetic number, because the mean of its divisors is an integer number (9306000).

Almost surely, 255741143 is an apocalyptic number.

55741143 is a deficient number, since it is larger than the sum of its proper divisors (18706857).

55741143 is a wasteful number, since it uses less digits than its factorization.

55741143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31621.

The product of its digits is 8400, while the sum is 30.

The square root of 55741143 is about 7465.9991293865. Note that the first 3 decimals coincide. The cubic root of 55741143 is about 381.9958311178.

Adding to 55741143 its reverse (34114755), we get a palindrome (89855898).

The spelling of 55741143 in words is "fifty-five million, seven hundred forty-one thousand, one hundred forty-three".

Divisors: 1 3 599 1797 31019 93057 18580381 55741143