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55093477 is a prime number
BaseRepresentation
bin1101001000101…
…0100011100101
310211200001001011
43102022203211
5103100442402
65244502221
71236200245
oct322124345
9124601034
1055093477
112910a5aa
121654a971
13b54c8ba
147461b25
154c83ed7
hex348a8e5

55093477 has 2 divisors, whose sum is σ = 55093478. Its totient is φ = 55093476.

The previous prime is 55093469. The next prime is 55093499. The reversal of 55093477 is 77439055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50708641 + 4384836 = 7121^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 55093477 - 23 = 55093469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55093457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27546738 + 27546739.

It is an arithmetic number, because the mean of its divisors is an integer number (27546739).

Almost surely, 255093477 is an apocalyptic number.

It is an amenable number.

55093477 is a deficient number, since it is larger than the sum of its proper divisors (1).

55093477 is an equidigital number, since it uses as much as digits as its factorization.

55093477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 55093477 is about 7422.4980296393. The cubic root of 55093477 is about 380.5105717629.

The spelling of 55093477 in words is "fifty-five million, ninety-three thousand, four hundred seventy-seven".