57170206402 has 4 divisors (see below), whose sum is σ = 85755309606. Its totient is φ = 28585103200.

The previous prime is 57170206393. The next prime is 57170206403. The reversal of 57170206402 is 20460207175.

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

It can be written as a sum of positive squares in only one way, i.e., 31000997041 + 26169209361 = 176071^2 + 161769^2 .

It is not an unprimeable number, because it can be changed into a prime (57170206403) 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 as a sum of consecutive naturals, namely, 14292551599 + ... + 14292551602.

Almost surely, 2^57170206402 is an apocalyptic number.

57170206402 is a deficient number, since it is larger than the sum of its proper divisors (28585103204).

57170206402 is a wasteful number, since it uses less digits than its factorization.

57170206402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28585103203.

The product of its (nonzero) digits is 23520, while the sum is 34.

The spelling of 57170206402 in words is "fifty-seven billion, one hundred seventy million, two hundred six thousand, four hundred two".