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57237077 is a prime number
BaseRepresentation
bin1101101001010…
…1111001010101
310222200221111202
43122111321111
5104123041302
65402442245
71263335642
oct332257125
9128627452
1057237077
112a344077
1217203385
13bb204c1
14785cdc9
155059202
hex3695e55

57237077 has 2 divisors, whose sum is σ = 57237078. Its totient is φ = 57237076.

The previous prime is 57237053. The next prime is 57237083. The reversal of 57237077 is 77073275.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57138481 + 98596 = 7559^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 57237077 - 214 = 57220693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57237077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57237017) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28618538 + 28618539.

It is an arithmetic number, because the mean of its divisors is an integer number (28618539).

Almost surely, 257237077 is an apocalyptic number.

It is an amenable number.

57237077 is a deficient number, since it is larger than the sum of its proper divisors (1).

57237077 is an equidigital number, since it uses as much as digits as its factorization.

57237077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72030, while the sum is 38.

The square root of 57237077 is about 7565.5189511361. The cubic root of 57237077 is about 385.3829371421.

The spelling of 57237077 in words is "fifty-seven million, two hundred thirty-seven thousand, seventy-seven".