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57456053 is a prime number
BaseRepresentation
bin1101101100101…
…1010110110101
311000010001212222
43123023112311
5104202043203
65411252125
71265240234
oct333132665
9130101788
1057456053
112a483646
12172aa045
13bb99085
1478b8b1b
15509e038
hex36cb5b5

57456053 has 2 divisors, whose sum is σ = 57456054. Its totient is φ = 57456052.

The previous prime is 57456031. The next prime is 57456059. The reversal of 57456053 is 35065475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45670564 + 11785489 = 6758^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 57456053 - 210 = 57455029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57456059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28728026 + 28728027.

It is an arithmetic number, because the mean of its divisors is an integer number (28728027).

Almost surely, 257456053 is an apocalyptic number.

It is an amenable number.

57456053 is a deficient number, since it is larger than the sum of its proper divisors (1).

57456053 is an equidigital number, since it uses as much as digits as its factorization.

57456053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 57456053 is about 7579.9771107834. The cubic root of 57456053 is about 385.8737741318.

The spelling of 57456053 in words is "fifty-seven million, four hundred fifty-six thousand, fifty-three".