57261557707201 has 8 divisors (see below), whose sum is σ = 60629956086024. Its totient is φ = 53893167267840.

The previous prime is 57261557707199. The next prime is 57261557707219. The reversal of 57261557707201 is 10270775516275.

It can be written as a sum of positive squares in 4 ways, for example, as 14317324062976 + 42944233644225 = 3783824^2 + 6553185^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57261557707201 - 2¹ = 57261557707199 is a prime.

It is a super-2 number, since 2×57261557707201² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57261557707271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19522521 + ... + 22263241.

It is an arithmetic number, because the mean of its divisors is an integer number (7578744510753).

Almost surely, 2^{57261557707201} is an apocalyptic number.

It is an amenable number.

57261557707201 is a deficient number, since it is larger than the sum of its proper divisors (3368398378823).

57261557707201 is a wasteful number, since it uses less digits than its factorization.

57261557707201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3969731.

The product of its (nonzero) digits is 7203000, while the sum is 55.

The spelling of 57261557707201 in words is "fifty-seven trillion, two hundred sixty-one billion, five hundred fifty-seven million, seven hundred seven thousand, two hundred one".