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57253037 is a prime number
BaseRepresentation
bin1101101001100…
…1110010101101
310222201202101212
43122121302231
5104124044122
65403044205
71263433322
oct332316255
9128652355
1057253037
112a355066
1217210665
13bb2784a
147864b49
15505dce2
hex3699cad

57253037 has 2 divisors, whose sum is σ = 57253038. Its totient is φ = 57253036.

The previous prime is 57252983. The next prime is 57253057. The reversal of 57253037 is 73035275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56265001 + 988036 = 7501^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 57253037 - 212 = 57248941 is a prime.

It is a Chen prime.

It is equal to p3408638 and since 57253037 and 3408638 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 57252994 and 57253012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57253057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28626518 + 28626519.

It is an arithmetic number, because the mean of its divisors is an integer number (28626519).

Almost surely, 257253037 is an apocalyptic number.

It is an amenable number.

57253037 is a deficient number, since it is larger than the sum of its proper divisors (1).

57253037 is an equidigital number, since it uses as much as digits as its factorization.

57253037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 57253037 is about 7566.5736631582. The cubic root of 57253037 is about 385.4187539028.

The spelling of 57253037 in words is "fifty-seven million, two hundred fifty-three thousand, thirty-seven".