57383745647 has 4 divisors (see below), whose sum is σ = 57471623400. Its totient is φ = 57295867896.

The previous prime is 57383745623. The next prime is 57383745697. The reversal of 57383745647 is 74654738375.

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 57383745647 - 2⁶ = 57383745583 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 (57383745697) 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, 43937897 + ... + 43939202.

It is an arithmetic number, because the mean of its divisors is an integer number (14367905850).

Almost surely, 2^57383745647 is an apocalyptic number.

57383745647 is a deficient number, since it is larger than the sum of its proper divisors (87877753).

57383745647 is an equidigital number, since it uses as much as digits as its factorization.

57383745647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87877752.

The product of its digits is 59270400, while the sum is 59.

The spelling of 57383745647 in words is "fifty-seven billion, three hundred eighty-three million, seven hundred forty-five thousand, six hundred forty-seven".