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55150141 = 1929101991
BaseRepresentation
bin1101001001100…
…0011000111101
310211202220202211
43102120120331
5103104301031
65250020421
71236524404
oct322303075
9124686684
1055150141
1129149132
1216577711
13b56c627
14747863b
154c95bb1
hex349863d

55150141 has 16 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 49896000.

The previous prime is 55150133. The next prime is 55150153. The reversal of 55150141 is 14105155.

It is a happy number.

55150141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55150141 - 23 = 55150133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150841) 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 15 ways as a sum of consecutive naturals, for example, 55156 + ... + 56146.

It is an arithmetic number, because the mean of its divisors is an integer number (3794400).

Almost surely, 255150141 is an apocalyptic number.

It is an amenable number.

55150141 is a deficient number, since it is larger than the sum of its proper divisors (5560259).

55150141 is a wasteful number, since it uses less digits than its factorization.

55150141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 55150141 is about 7426.3140924688. The cubic root of 55150141 is about 380.6409795986.

Adding to 55150141 its reverse (14105155), we get a palindrome (69255296).

The spelling of 55150141 in words is "fifty-five million, one hundred fifty thousand, one hundred forty-one".

Divisors: 1 19 29 101 551 991 1919 2929 18829 28739 55651 100091 546041 1901729 2902639 55150141