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54171101 = 291867969
BaseRepresentation
bin1100111010100…
…1010111011101
310202221011210002
43032221113131
5102331433401
65213024045
71225306145
oct316512735
9122834702
1054171101
112863a606
1216185025
13b2b8b0a
1472a1925
154b50a6b
hex33a95dd

54171101 has 4 divisors (see below), whose sum is σ = 56039100. Its totient is φ = 52303104.

The previous prime is 54171079. The next prime is 54171121. The reversal of 54171101 is 10117145.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30415225 + 23755876 = 5515^2 + 4874^2 .

It is a cyclic number.

It is not a de Polignac number, because 54171101 - 218 = 53908957 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 (54171121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 933956 + ... + 934013.

It is an arithmetic number, because the mean of its divisors is an integer number (14009775).

Almost surely, 254171101 is an apocalyptic number.

It is an amenable number.

54171101 is a deficient number, since it is larger than the sum of its proper divisors (1867999).

54171101 is a wasteful number, since it uses less digits than its factorization.

54171101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867998.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 54171101 is about 7360.1019694023. The cubic root of 54171101 is about 378.3751047222.

Adding to 54171101 its reverse (10117145), we get a palindrome (64288246).

The spelling of 54171101 in words is "fifty-four million, one hundred seventy-one thousand, one hundred one".

Divisors: 1 29 1867969 54171101