57293993899 has 4 divisors (see below), whose sum is σ = 59785037136. Its totient is φ = 54802950664.

The previous prime is 57293993857. The next prime is 57293993921. The reversal of 57293993899 is 99839939275.

It is a happy number.

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 57293993899 - 2²³ = 57285605291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57293993399) 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, 1245521584 + ... + 1245521629.

It is an arithmetic number, because the mean of its divisors is an integer number (14946259284).

Almost surely, 2^57293993899 is an apocalyptic number.

57293993899 is a deficient number, since it is larger than the sum of its proper divisors (2491043237).

57293993899 is a wasteful number, since it uses less digits than its factorization.

57293993899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491043236.

The product of its digits is 297606960, while the sum is 73.

The spelling of 57293993899 in words is "fifty-seven billion, two hundred ninety-three million, nine hundred ninety-three thousand, eight hundred ninety-nine".