57093643 has 4 divisors (see below), whose sum is σ = 57174880. Its totient is φ = 57012408.

The previous prime is 57093629. The next prime is 57093653. The reversal of 57093643 is 34639075.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57093643 - 2⁹ = 57093131 is a prime.

It is a super-2 number, since 2×57093643² = 6519368142022898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57093653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39555 + ... + 40972.

It is an arithmetic number, because the mean of its divisors is an integer number (14293720).

Almost surely, 2^57093643 is an apocalyptic number.

57093643 is a deficient number, since it is larger than the sum of its proper divisors (81237).

57093643 is an equidigital number, since it uses as much as digits as its factorization.

57093643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81236.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 57093643 is about 7556.0335494226. The cubic root of 57093643 is about 385.0607493951.

The spelling of 57093643 in words is "fifty-seven million, ninety-three thousand, six hundred forty-three".