57433578557 has 4 divisors (see below), whose sum is σ = 57520731840. Its totient is φ = 57346425276.

The previous prime is 57433578491. The next prime is 57433578571. The reversal of 57433578557 is 75587533475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57433578557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57433578496 and 57433578505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57433572557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43575653 + ... + 43576970.

It is an arithmetic number, because the mean of its divisors is an integer number (14380182960).

Almost surely, 2^57433578557 is an apocalyptic number.

It is an amenable number.

57433578557 is a deficient number, since it is larger than the sum of its proper divisors (87153283).

57433578557 is an equidigital number, since it uses as much as digits as its factorization.

57433578557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87153282.

The product of its digits is 61740000, while the sum is 59.

The spelling of 57433578557 in words is "fifty-seven billion, four hundred thirty-three million, five hundred seventy-eight thousand, five hundred fifty-seven".