57754757849 has 16 divisors (see below), whose sum is σ = 62243047440. Its totient is φ = 53390223360.

The previous prime is 57754757833. The next prime is 57754757869. The reversal of 57754757849 is 94875745775.

It can be written as a sum of positive squares in 8 ways, for example, as 17770756249 + 39984001600 = 133307^2 + 199960^2 .

It is a cyclic number.

It is not a de Polignac number, because 57754757849 - 2⁴ = 57754757833 is a prime.

It is a super-2 number, since 2×57754757849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57754757869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695957 + ... + 774509.

It is an arithmetic number, because the mean of its divisors is an integer number (3890190465).

Almost surely, 2^57754757849 is an apocalyptic number.

It is an amenable number.

57754757849 is a deficient number, since it is larger than the sum of its proper divisors (4488289591).

57754757849 is a wasteful number, since it uses less digits than its factorization.

57754757849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79340.

The product of its digits is 345744000, while the sum is 68.

The spelling of 57754757849 in words is "fifty-seven billion, seven hundred fifty-four million, seven hundred fifty-seven thousand, eight hundred forty-nine".