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57749053 is a prime number
BaseRepresentation
bin1101110001001…
…0111000111101
311000122221210211
43130102320331
5104240432203
65421432421
71300600405
oct334227075
9130587724
1057749053
112a66379a
121740b711
13bc6c54b
147953805
15510ac6d
hex3712e3d

57749053 has 2 divisors, whose sum is σ = 57749054. Its totient is φ = 57749052.

The previous prime is 57748997. The next prime is 57749089. The reversal of 57749053 is 35094775.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 19035769 = 6222^2 + 4363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57749053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57748997 and 57749015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57749093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28874526 + 28874527.

It is an arithmetic number, because the mean of its divisors is an integer number (28874527).

Almost surely, 257749053 is an apocalyptic number.

It is an amenable number.

57749053 is a deficient number, since it is larger than the sum of its proper divisors (1).

57749053 is an equidigital number, since it uses as much as digits as its factorization.

57749053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 57749053 is about 7599.2797685044. The cubic root of 57749053 is about 386.5285898028.

The spelling of 57749053 in words is "fifty-seven million, seven hundred forty-nine thousand, fifty-three".