57441500785 has 4 divisors (see below), whose sum is σ = 68929800948. Its totient is φ = 45953200624.

The previous prime is 57441500759. The next prime is 57441500789. The reversal of 57441500785 is 58700514475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41649054561 + 15792446224 = 204081^2 + 125668^2 .

It is a cyclic number.

It is not a de Polignac number, because 57441500785 - 2⁷ = 57441500657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57441500789) 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, 5744150074 + ... + 5744150083.

It is an arithmetic number, because the mean of its divisors is an integer number (17232450237).

Almost surely, 2^57441500785 is an apocalyptic number.

It is an amenable number.

57441500785 is a deficient number, since it is larger than the sum of its proper divisors (11488300163).

57441500785 is a wasteful number, since it uses less digits than its factorization.

57441500785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488300162.

The product of its (nonzero) digits is 784000, while the sum is 46.

The spelling of 57441500785 in words is "fifty-seven billion, four hundred forty-one million, five hundred thousand, seven hundred eighty-five".