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54332161 = 137575521
BaseRepresentation
bin1100111101000…
…0101100000001
310210020100201021
43033100230001
5102402112121
65220305441
71226546542
oct317205401
9123210637
1054332161
112873a614
1216242281
13b344210
1473044c9
154b83641
hex33d0b01

54332161 has 8 divisors (see below), whose sum is σ = 58599464. Its totient is φ = 50077440.

The previous prime is 54332129. The next prime is 54332183. The reversal of 54332161 is 16123345.

It can be written as a sum of positive squares in 4 ways, for example, as 1115136 + 53217025 = 1056^2 + 7295^2 .

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 54332161 - 25 = 54332129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54332101) 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 7 ways as a sum of consecutive naturals, for example, 7081 + ... + 12601.

It is an arithmetic number, because the mean of its divisors is an integer number (7324933).

Almost surely, 254332161 is an apocalyptic number.

It is an amenable number.

54332161 is a deficient number, since it is larger than the sum of its proper divisors (4267303).

54332161 is a wasteful number, since it uses less digits than its factorization.

54332161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291.

The product of its digits is 2160, while the sum is 25.

The square root of 54332161 is about 7371.0352732842. The cubic root of 54332161 is about 378.7497251175.

The spelling of 54332161 in words is "fifty-four million, three hundred thirty-two thousand, one hundred sixty-one".

Divisors: 1 13 757 5521 9841 71773 4179397 54332161