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55750469 is a prime number
BaseRepresentation
bin1101010010101…
…0111101000101
310212220102021012
43110222331011
5103233003334
65310532005
71244604545
oct324527505
9125812235
1055750469
1129519175
1216807005
13b71c958
147593325
154d639ce
hex352af45

55750469 has 2 divisors, whose sum is σ = 55750470. Its totient is φ = 55750468.

The previous prime is 55750433. The next prime is 55750481. The reversal of 55750469 is 96405755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35545444 + 20205025 = 5962^2 + 4495^2 .

It is a cyclic number.

It is not a de Polignac number, because 55750469 - 28 = 55750213 is a prime.

It is a super-2 number, since 2×557504692 = 6216229587439922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55750169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27875234 + 27875235.

It is an arithmetic number, because the mean of its divisors is an integer number (27875235).

Almost surely, 255750469 is an apocalyptic number.

It is an amenable number.

55750469 is a deficient number, since it is larger than the sum of its proper divisors (1).

55750469 is an equidigital number, since it uses as much as digits as its factorization.

55750469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55750469 is about 7466.6236680310. The cubic root of 55750469 is about 382.0171337216.

The spelling of 55750469 in words is "fifty-five million, seven hundred fifty thousand, four hundred sixty-nine".