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55146653 is a prime number
BaseRepresentation
bin1101001001011…
…1100010011101
310211202201222122
43102113202131
5103104143103
65245552325
71236511262
oct322274235
9124681878
1055146653
1129146551
12165756a5
13b56ab73
147477269
154c94b38
hex349789d

55146653 has 2 divisors, whose sum is σ = 55146654. Its totient is φ = 55146652.

The previous prime is 55146601. The next prime is 55146667. The reversal of 55146653 is 35664155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34833604 + 20313049 = 5902^2 + 4507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55146653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55146853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27573326 + 27573327.

It is an arithmetic number, because the mean of its divisors is an integer number (27573327).

Almost surely, 255146653 is an apocalyptic number.

It is an amenable number.

55146653 is a deficient number, since it is larger than the sum of its proper divisors (1).

55146653 is an equidigital number, since it uses as much as digits as its factorization.

55146653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 55146653 is about 7426.0792481632. The cubic root of 55146653 is about 380.6329548157.

It can be divided in two parts, 5514 and 6653, that added together give a cube (12167 = 233).

The spelling of 55146653 in words is "fifty-five million, one hundred forty-six thousand, six hundred fifty-three".