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55014141 = 3713201517
BaseRepresentation
bin1101000111011…
…1001011111101
310211112000012210
43101313023331
5103040423031
65243051033
71235420040
oct321671375
9124460183
1055014141
1129065a36
1216510a79
13b522760
147440c57
154c6a746
hex34772fd

55014141 has 16 divisors (see below), whose sum is σ = 90280064. Its totient is φ = 29018304.

The previous prime is 55014121. The next prime is 55014149. The reversal of 55014141 is 14141055.

It is not a de Polignac number, because 55014141 - 25 = 55014109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55014149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100486 + ... + 101031.

It is an arithmetic number, because the mean of its divisors is an integer number (5642504).

Almost surely, 255014141 is an apocalyptic number.

It is an amenable number.

55014141 is a deficient number, since it is larger than the sum of its proper divisors (35265923).

55014141 is a wasteful number, since it uses less digits than its factorization.

55014141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201540.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 55014141 is about 7417.1518118480. The cubic root of 55014141 is about 380.3278357383.

Adding to 55014141 its reverse (14141055), we get a palindrome (69155196).

It can be divided in two parts, 55014 and 141, that added together give a palindrome (55155).

The spelling of 55014141 in words is "fifty-five million, fourteen thousand, one hundred forty-one".

Divisors: 1 3 7 13 21 39 91 273 201517 604551 1410619 2619721 4231857 7859163 18338047 55014141