57642787201 has 4 divisors (see below), whose sum is σ = 57644051904. Its totient is φ = 57641522500.

The previous prime is 57642787171. The next prime is 57642787217. The reversal of 57642787201 is 10278724675.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57642787201 - 2¹¹ = 57642785153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57642787231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561325 + ... + 656026.

It is an arithmetic number, because the mean of its divisors is an integer number (14411012976).

Almost surely, 2^57642787201 is an apocalyptic number.

It is an amenable number.

57642787201 is a deficient number, since it is larger than the sum of its proper divisors (1264703).

57642787201 is a wasteful number, since it uses less digits than its factorization.

57642787201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264702.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 57642787201 in words is "fifty-seven billion, six hundred forty-two million, seven hundred eighty-seven thousand, two hundred one".