57643133606 has 4 divisors (see below), whose sum is σ = 86464700412. Its totient is φ = 28821566802.

The previous prime is 57643133593. The next prime is 57643133609. The reversal of 57643133606 is 60633134675.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643133609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14410783400 + ... + 14410783403.

It is an arithmetic number, because the mean of its divisors is an integer number (21616175103).

Almost surely, 2^57643133606 is an apocalyptic number.

57643133606 is a deficient number, since it is larger than the sum of its proper divisors (28821566806).

57643133606 is a wasteful number, since it uses less digits than its factorization.

57643133606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28821566805.

The product of its (nonzero) digits is 816480, while the sum is 44.

The spelling of 57643133606 in words is "fifty-seven billion, six hundred forty-three million, one hundred thirty-three thousand, six hundred six".