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55204241 = 151365591
BaseRepresentation
bin1101001010010…
…1100110010001
310211212122222112
43102211212101
5103113013431
65251115105
71240141211
oct322454621
9124778875
1055204241
1129185844
12165a2a95
13b58b141
147490241
154ca6c2b
hex34a5991

55204241 has 4 divisors (see below), whose sum is σ = 55569984. Its totient is φ = 54838500.

The previous prime is 55204231. The next prime is 55204243. The reversal of 55204241 is 14240255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14240255 = 52848051.

It is a cyclic number.

It is not a de Polignac number, because 55204241 - 214 = 55187857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55204243) 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, 182645 + ... + 182946.

It is an arithmetic number, because the mean of its divisors is an integer number (13892496).

Almost surely, 255204241 is an apocalyptic number.

It is an amenable number.

55204241 is a deficient number, since it is larger than the sum of its proper divisors (365743).

55204241 is a wasteful number, since it uses less digits than its factorization.

55204241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365742.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 55204241 is about 7429.9556526267. The cubic root of 55204241 is about 380.7654032584.

Adding to 55204241 its reverse (14240255), we get a palindrome (69444496).

The spelling of 55204241 in words is "fifty-five million, two hundred four thousand, two hundred forty-one".

Divisors: 1 151 365591 55204241