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54055657 is a prime number
BaseRepresentation
bin1100111000110…
…1001011101001
310202201022102101
43032031023221
5102314240112
65210333401
71224315445
oct316151351
9122638371
1054055657
11285708a7
121612a261
13b2783c6
147271825
154b2b757
hex338d2e9

54055657 has 2 divisors, whose sum is σ = 54055658. Its totient is φ = 54055656.

The previous prime is 54055643. The next prime is 54055669. The reversal of 54055657 is 75655045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52577001 + 1478656 = 7251^2 + 1216^2 .

It is a cyclic number.

It is not a de Polignac number, because 54055657 - 219 = 53531369 is a prime.

It is not a weakly prime, because it can be changed into another prime (54050657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27027828 + 27027829.

It is an arithmetic number, because the mean of its divisors is an integer number (27027829).

Almost surely, 254055657 is an apocalyptic number.

It is an amenable number.

54055657 is a deficient number, since it is larger than the sum of its proper divisors (1).

54055657 is an equidigital number, since it uses as much as digits as its factorization.

54055657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 54055657 is about 7352.2552322400. The cubic root of 54055657 is about 378.1061285757.

The spelling of 54055657 in words is "fifty-four million, fifty-five thousand, six hundred fifty-seven".