57545326642 has 4 divisors (see below), whose sum is σ = 86317989966. Its totient is φ = 28772663320.

The previous prime is 57545326633. The next prime is 57545326679. The reversal of 57545326642 is 24662354575.

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., 48987411561 + 8557915081 = 221331^2 + 92509^2 .

It is a super-2 number, since 2×57545326642² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14386331659 + ... + 14386331662.

Almost surely, 2^57545326642 is an apocalyptic number.

57545326642 is a deficient number, since it is larger than the sum of its proper divisors (28772663324).

57545326642 is a wasteful number, since it uses less digits than its factorization.

57545326642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28772663323.

The product of its digits is 6048000, while the sum is 49.

The spelling of 57545326642 in words is "fifty-seven billion, five hundred forty-five million, three hundred twenty-six thousand, six hundred forty-two".