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57474059537 is a prime number
BaseRepresentation
bin110101100001101110…
…001000110100010001
312111100110120201211202
4311201232020310101
51420201324401122
642223032320545
74103155305536
oct654156106421
9174313521752
1057474059537
1122413676664
12b17bb43155
13555c34776b
142ad320cd8d
151765b00e92
hexd61b88d11

57474059537 has 2 divisors, whose sum is σ = 57474059538. Its totient is φ = 57474059536.

The previous prime is 57474059521. The next prime is 57474059543. The reversal of 57474059537 is 73595047475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33808544641 + 23665514896 = 183871^2 + 153836^2 .

It is a cyclic number.

It is not a de Polignac number, because 57474059537 - 24 = 57474059521 is a prime.

It is a super-3 number, since 3×574740595373 (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (57474059597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28737029768 + 28737029769.

It is an arithmetic number, because the mean of its divisors is an integer number (28737029769).

Almost surely, 257474059537 is an apocalyptic number.

It is an amenable number.

57474059537 is a deficient number, since it is larger than the sum of its proper divisors (1).

57474059537 is an equidigital number, since it uses as much as digits as its factorization.

57474059537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 57474059537 in words is "fifty-seven billion, four hundred seventy-four million, fifty-nine thousand, five hundred thirty-seven".