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55466497 is a prime number
BaseRepresentation
bin1101001110010…
…1101000000001
310212100222201201
43103211220001
5103144411442
65300501201
71242312622
oct323455001
9125328651
1055466497
1129344889
12166aa801
13b650618
14751ba49
154d097b7
hex34e5a01

55466497 has 2 divisors, whose sum is σ = 55466498. Its totient is φ = 55466496.

The previous prime is 55466479. The next prime is 55466513. The reversal of 55466497 is 79466455.

Together with previous prime (55466479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55413136 + 53361 = 7444^2 + 231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55466497 is a prime.

It is a super-4 number, since 4×554664974 (a number of 32 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (55466447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27733248 + 27733249.

It is an arithmetic number, because the mean of its divisors is an integer number (27733249).

Almost surely, 255466497 is an apocalyptic number.

It is an amenable number.

55466497 is a deficient number, since it is larger than the sum of its proper divisors (1).

55466497 is an equidigital number, since it uses as much as digits as its factorization.

55466497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 46.

The square root of 55466497 is about 7447.5832992992. The cubic root of 55466497 is about 381.3674119428.

The spelling of 55466497 in words is "fifty-five million, four hundred sixty-six thousand, four hundred ninety-seven".