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55252441 is a prime number
BaseRepresentation
bin1101001011000…
…1010111011001
310211222010002201
43102301113121
5103121034231
65252130201
71240431556
oct322612731
9124863081
1055252441
1129208a82
1216606961
13b5a706a
1474a3a2d
154cb6161
hex34b15d9

55252441 has 2 divisors, whose sum is σ = 55252442. Its totient is φ = 55252440.

The previous prime is 55252423. The next prime is 55252469. The reversal of 55252441 is 14425255.

It is an a-pointer prime, because the next prime (55252469) can be obtained adding 55252441 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32490000 + 22762441 = 5700^2 + 4771^2 .

It is a cyclic number.

It is not a de Polignac number, because 55252441 - 25 = 55252409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55252411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27626220 + 27626221.

It is an arithmetic number, because the mean of its divisors is an integer number (27626221).

Almost surely, 255252441 is an apocalyptic number.

It is an amenable number.

55252441 is a deficient number, since it is larger than the sum of its proper divisors (1).

55252441 is an equidigital number, since it uses as much as digits as its factorization.

55252441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 28.

The square root of 55252441 is about 7433.1985712747. The cubic root of 55252441 is about 380.8761891525.

Adding to 55252441 its reverse (14425255), we get a palindrome (69677696).

The spelling of 55252441 in words is "fifty-five million, two hundred fifty-two thousand, four hundred forty-one".