57557291347 has 4 divisors (see below), whose sum is σ = 57565583496. Its totient is φ = 57548999200.

The previous prime is 57557291339. The next prime is 57557291369. The reversal of 57557291347 is 74319275575.

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 57557291347 - 2³ = 57557291339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57557391347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4135654 + ... + 4149547.

It is an arithmetic number, because the mean of its divisors is an integer number (14391395874).

Almost surely, 2^57557291347 is an apocalyptic number.

57557291347 is a deficient number, since it is larger than the sum of its proper divisors (8292149).

57557291347 is an equidigital number, since it uses as much as digits as its factorization.

57557291347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292148.

The product of its digits is 9261000, while the sum is 55.

The spelling of 57557291347 in words is "fifty-seven billion, five hundred fifty-seven million, two hundred ninety-one thousand, three hundred forty-seven".