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55017433 is a prime number
BaseRepresentation
bin1101000111011…
…1111111011001
310211112011201201
43101313333121
5103041024213
65243114201
71235432452
oct321677731
9124464651
1055017433
1129068459
1216512961
13b5240c3
147442129
154c6b6dd
hex3477fd9

55017433 has 2 divisors, whose sum is σ = 55017434. Its totient is φ = 55017432.

The previous prime is 55017383. The next prime is 55017439. The reversal of 55017433 is 33471055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54641664 + 375769 = 7392^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 55017433 - 221 = 52920281 is a prime.

It is not a weakly prime, because it can be changed into another prime (55017439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27508716 + 27508717.

It is an arithmetic number, because the mean of its divisors is an integer number (27508717).

Almost surely, 255017433 is an apocalyptic number.

It is an amenable number.

55017433 is a deficient number, since it is larger than the sum of its proper divisors (1).

55017433 is an equidigital number, since it uses as much as digits as its factorization.

55017433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55017433 is about 7417.3737265962. The cubic root of 55017433 is about 380.3354217531.

Adding to 55017433 its reverse (33471055), we get a palindrome (88488488).

The spelling of 55017433 in words is "fifty-five million, seventeen thousand, four hundred thirty-three".