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55053141 = 31113181709
BaseRepresentation
bin1101001000000…
…0101101010101
310211120222201020
43102000231111
5103043200031
65243551353
71235641533
oct322005525
9124528636
1055053141
1129092270
121652b559
13b537430
147451153
154c77096
hex3480b55

55053141 has 32 divisors (see below), whose sum is σ = 86835840. Its totient is φ = 30585600.

The previous prime is 55053139. The next prime is 55053197. The reversal of 55053141 is 14135055.

It is not a de Polignac number, because 55053141 - 21 = 55053139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55053101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77295 + ... + 78003.

It is an arithmetic number, because the mean of its divisors is an integer number (2713620).

Almost surely, 255053141 is an apocalyptic number.

It is an amenable number.

55053141 is a deficient number, since it is larger than the sum of its proper divisors (31782699).

55053141 is a wasteful number, since it uses less digits than its factorization.

55053141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55053141 is about 7419.7803875856. The cubic root of 55053141 is about 380.4176870727.

Adding to 55053141 its reverse (14135055), we get a palindrome (69188196).

It can be divided in two parts, 5505 and 3141, that added together give a triangular number (8646 = T131).

The spelling of 55053141 in words is "fifty-five million, fifty-three thousand, one hundred forty-one".

Divisors: 1 3 11 13 33 39 143 181 429 543 709 1991 2127 2353 5973 7059 7799 9217 23397 25883 27651 77649 101387 128329 304161 384987 1411619 1668277 4234857 5004831 18351047 55053141