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55125451 is a prime number
BaseRepresentation
bin1101001001001…
…0010111001011
310211201122220101
43102102113023
5103103003301
65245310231
71236362413
oct322222713
9124648811
1055125451
1129131627
1216565377
13b561314
14746d643
154c8d701
hex34925cb

55125451 has 2 divisors, whose sum is σ = 55125452. Its totient is φ = 55125450.

The previous prime is 55125431. The next prime is 55125463. The reversal of 55125451 is 15452155.

55125451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55125451 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55125431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27562725 + 27562726.

It is an arithmetic number, because the mean of its divisors is an integer number (27562726).

Almost surely, 255125451 is an apocalyptic number.

55125451 is a deficient number, since it is larger than the sum of its proper divisors (1).

55125451 is an equidigital number, since it uses as much as digits as its factorization.

55125451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5000, while the sum is 28.

The square root of 55125451 is about 7424.6515743165. The cubic root of 55125451 is about 380.5841684499.

The spelling of 55125451 in words is "fifty-five million, one hundred twenty-five thousand, four hundred fifty-one".