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55026269 is a prime number
BaseRepresentation
bin1101000111101…
…0001001011101
310211112121211222
43101322021131
5103041320034
65243223125
71235500304
oct321721135
9124477758
1055026269
1129074061
1216517aa5
13b52812c
14744543b
154c6e12e
hex347a25d

55026269 has 2 divisors, whose sum is σ = 55026270. Its totient is φ = 55026268.

The previous prime is 55026259. The next prime is 55026277. The reversal of 55026269 is 96262055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 8922169 = 6790^2 + 2987^2 .

It is a cyclic number.

It is not a de Polignac number, because 55026269 - 212 = 55022173 is a prime.

It is a super-2 number, since 2×550262692 = 6055780560120722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55026239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27513134 + 27513135.

It is an arithmetic number, because the mean of its divisors is an integer number (27513135).

Almost surely, 255026269 is an apocalyptic number.

It is an amenable number.

55026269 is a deficient number, since it is larger than the sum of its proper divisors (1).

55026269 is an equidigital number, since it uses as much as digits as its factorization.

55026269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 55026269 is about 7417.9693312928. The cubic root of 55026269 is about 380.3557817475.

The spelling of 55026269 in words is "fifty-five million, twenty-six thousand, two hundred sixty-nine".