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55299241 is a prime number
BaseRepresentation
bin1101001011110…
…0110010101001
310212001111022001
43102330302221
5103124033431
65253131001
71241015164
oct322746251
9125044261
1055299241
1129240158
1216629a61
13b5c245a
1474b6adb
154cc4e61
hex34bcca9

55299241 has 2 divisors, whose sum is σ = 55299242. Its totient is φ = 55299240.

The previous prime is 55299191. The next prime is 55299269. The reversal of 55299241 is 14299255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33396841 + 21902400 = 5779^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 55299241 - 219 = 54774953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55299241.

It is not a weakly prime, because it can be changed into another prime (55299271) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27649620 + 27649621.

It is an arithmetic number, because the mean of its divisors is an integer number (27649621).

Almost surely, 255299241 is an apocalyptic number.

It is an amenable number.

55299241 is a deficient number, since it is larger than the sum of its proper divisors (1).

55299241 is an equidigital number, since it uses as much as digits as its factorization.

55299241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 37.

The square root of 55299241 is about 7436.3459440776. The cubic root of 55299241 is about 380.9836955660.

Subtracting from 55299241 its product of digits (32400), we obtain a triangular number (55266841 = T10513).

The spelling of 55299241 in words is "fifty-five million, two hundred ninety-nine thousand, two hundred forty-one".