57660373 has 2 divisors, whose sum is σ = 57660374. Its totient is φ = 57660372.

The previous prime is 57660371. The next prime is 57660431. The reversal of 57660373 is 37306675.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 6724 = 7593^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 57660373 - 2¹ = 57660371 is a prime.

It is a super-2 number, since 2×57660373² = 6649437228998258, which contains 22 as substring.

Together with 57660371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57660371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28830186 + 28830187.

It is an arithmetic number, because the mean of its divisors is an integer number (28830187).

Almost surely, 2^57660373 is an apocalyptic number.

It is an amenable number.

57660373 is a deficient number, since it is larger than the sum of its proper divisors (1).

57660373 is an equidigital number, since it uses as much as digits as its factorization.

57660373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 37.

The square root of 57660373 is about 7593.4427633321. The cubic root of 57660373 is about 386.3306361044.

The spelling of 57660373 in words is "fifty-seven million, six hundred sixty thousand, three hundred seventy-three".