57106943 has 4 divisors (see below), whose sum is σ = 57523920. Its totient is φ = 56689968.

The previous prime is 57106909. The next prime is 57106949. The reversal of 57106943 is 34960175.

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 57106943 - 2⁶ = 57106879 is a prime.

It is a super-2 number, since 2×57106943² = 6522405877610498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57106949) 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, 208283 + ... + 208556.

It is an arithmetic number, because the mean of its divisors is an integer number (14380980).

Almost surely, 2^57106943 is an apocalyptic number.

57106943 is a deficient number, since it is larger than the sum of its proper divisors (416977).

57106943 is a wasteful number, since it uses less digits than its factorization.

57106943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416976.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 57106943 is about 7556.9135895549. The cubic root of 57106943 is about 385.0906471215.

The spelling of 57106943 in words is "fifty-seven million, one hundred six thousand, nine hundred forty-three".