57067361 has 8 divisors (see below), whose sum is σ = 61613160. Its totient is φ = 52543872.

The previous prime is 57067349. The next prime is 57067403. The reversal of 57067361 is 16376075.

57067361 = 1469² + 1470² + ... + 1494².

It can be written as a sum of positive squares in 4 ways, for example, as 2085136 + 54982225 = 1444^2 + 7415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57067361 - 2¹⁰ = 57066337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57067561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (7701645).

Almost surely, 2^57067361 is an apocalyptic number.

It is an amenable number.

57067361 is a deficient number, since it is larger than the sum of its proper divisors (4545799).

57067361 is a wasteful number, since it uses less digits than its factorization.

57067361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 57067361 is about 7554.2942092561. The cubic root of 57067361 is about 385.0016551343.

The spelling of 57067361 in words is "fifty-seven million, sixty-seven thousand, three hundred sixty-one".