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57254537 is a prime number
BaseRepresentation
bin1101101001101…
…0001010001001
310222201211110102
43122122022021
5104124121122
65403055145
71263440564
oct332321211
9128654412
1057254537
112a3561aa
12172114b5
13bb28432
1478654db
15505e492
hex369a289

57254537 has 2 divisors, whose sum is σ = 57254538. Its totient is φ = 57254536.

The previous prime is 57254513. The next prime is 57254563. The reversal of 57254537 is 73545275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41422096 + 15832441 = 6436^2 + 3979^2 .

It is a cyclic number.

It is not a de Polignac number, because 57254537 - 26 = 57254473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57254537.

It is not a weakly prime, because it can be changed into another prime (57254237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28627268 + 28627269.

It is an arithmetic number, because the mean of its divisors is an integer number (28627269).

Almost surely, 257254537 is an apocalyptic number.

It is an amenable number.

57254537 is a deficient number, since it is larger than the sum of its proper divisors (1).

57254537 is an equidigital number, since it uses as much as digits as its factorization.

57254537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147000, while the sum is 38.

The square root of 57254537 is about 7566.6727826701. The cubic root of 57254537 is about 385.4221197975.

The spelling of 57254537 in words is "fifty-seven million, two hundred fifty-four thousand, five hundred thirty-seven".