57571634322061 has 4 divisors (see below), whose sum is σ = 57579885960732. Its totient is φ = 57563382683392.

The previous prime is 57571634322049. The next prime is 57571634322077. The reversal of 57571634322061 is 16022343617575.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14480536408900 + 43091097913161 = 3805330^2 + 6564381^2 .

It is a cyclic number.

It is not a de Polignac number, because 57571634322061 - 2¹⁹ = 57571633797773 is a prime.

It is a super-2 number, since 2×57571634322061² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57571634322011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4125808870 + ... + 4125822823.

It is an arithmetic number, because the mean of its divisors is an integer number (14394971490183).

Almost surely, 2^{57571634322061} is an apocalyptic number.

It is an amenable number.

57571634322061 is a deficient number, since it is larger than the sum of its proper divisors (8251638671).

57571634322061 is an equidigital number, since it uses as much as digits as its factorization.

57571634322061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8251638670.

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 57571634322061 in words is "fifty-seven trillion, five hundred seventy-one billion, six hundred thirty-four million, three hundred twenty-two thousand, sixty-one".