57943225521 has 6 divisors (see below), whose sum is σ = 83695770210. Its totient is φ = 38628817008.

The previous prime is 57943225519. The next prime is 57943225537. The reversal of 57943225521 is 12552234975.

57943225521 is a `hidden beast` number, since 5 + 7 + 94 + 3 + 2 + 2 + 552 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57941785521 + 1440000 = 240711^2 + 1200^2 .

It is not a de Polignac number, because 57943225521 - 2¹ = 57943225519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57943225591) 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 5 ways as a sum of consecutive naturals, for example, 3219068076 + ... + 3219068093.

It is an arithmetic number, because the mean of its divisors is an integer number (13949295035).

Almost surely, 2^57943225521 is an apocalyptic number.

It is an amenable number.

57943225521 is a deficient number, since it is larger than the sum of its proper divisors (25752544689).

57943225521 is a wasteful number, since it uses less digits than its factorization.

57943225521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438136175 (or 6438136172 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The spelling of 57943225521 in words is "fifty-seven billion, nine hundred forty-three million, two hundred twenty-five thousand, five hundred twenty-one".