57405316327 has 4 divisors (see below), whose sum is σ = 57411883440. Its totient is φ = 57398749216.

The previous prime is 57405316313. The next prime is 57405316349. The reversal of 57405316327 is 72361350475.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57405316327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57405316027) 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, 3270427 + ... + 3287932.

It is an arithmetic number, because the mean of its divisors is an integer number (14352970860).

Almost surely, 2^57405316327 is an apocalyptic number.

57405316327 is a deficient number, since it is larger than the sum of its proper divisors (6567113).

57405316327 is an equidigital number, since it uses as much as digits as its factorization.

57405316327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6567112.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 57405316327 in words is "fifty-seven billion, four hundred five million, three hundred sixteen thousand, three hundred twenty-seven".