57043946 has 4 divisors (see below), whose sum is σ = 85565922. Its totient is φ = 28521972.

The previous prime is 57043939. The next prime is 57043949. The reversal of 57043946 is 64934075.

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

It can be written as a sum of positive squares in only one way, i.e., 46771921 + 10272025 = 6839^2 + 3205^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57043949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14260985 + ... + 14260988.

Almost surely, 2^57043946 is an apocalyptic number.

57043946 is a deficient number, since it is larger than the sum of its proper divisors (28521976).

57043946 is a wasteful number, since it uses less digits than its factorization.

57043946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28521975.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 57043946 is about 7552.7442694692. The cubic root of 57043946 is about 384.9489919492.

The spelling of 57043946 in words is "fifty-seven million, forty-three thousand, nine hundred forty-six".