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54253957 is a prime number
BaseRepresentation
bin1100111011110…
…1100110000101
310210002101102211
43032331212011
5102342111312
65214503421
71226102542
oct316754605
9123071384
1054253957
112869688a
1216204b71
13b317744
1472c3bc9
154b6a3a7
hex33bd985

54253957 has 2 divisors, whose sum is σ = 54253958. Its totient is φ = 54253956.

The previous prime is 54253921. The next prime is 54253963. The reversal of 54253957 is 75935245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53012961 + 1240996 = 7281^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 54253957 - 211 = 54251909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54253907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27126978 + 27126979.

It is an arithmetic number, because the mean of its divisors is an integer number (27126979).

Almost surely, 254253957 is an apocalyptic number.

It is an amenable number.

54253957 is a deficient number, since it is larger than the sum of its proper divisors (1).

54253957 is an equidigital number, since it uses as much as digits as its factorization.

54253957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The square root of 54253957 is about 7365.7285450931. The cubic root of 54253957 is about 378.5679177216.

The spelling of 54253957 in words is "fifty-four million, two hundred fifty-three thousand, nine hundred fifty-seven".