57456669361 has 12 divisors (see below), whose sum is σ = 71978685492. Its totient is φ = 45460221408.

The previous prime is 57456669293. The next prime is 57456669397. The reversal of 57456669361 is 16396665475.

57456669361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 14524829361 + 42931840000 = 120519^2 + 207200^2 .

It is not a de Polignac number, because 57456669361 - 2¹¹ = 57456667313 is a prime.

It is a super-2 number, since 2×57456669361² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 57456669296 and 57456669305.

It is not an unprimeable number, because it can be changed into a prime (57456663361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45098790 + ... + 45100063.

It is an arithmetic number, because the mean of its divisors is an integer number (5998223791).

Almost surely, 2^57456669361 is an apocalyptic number.

It is an amenable number.

57456669361 is a deficient number, since it is larger than the sum of its proper divisors (14522016131).

57456669361 is a wasteful number, since it uses less digits than its factorization.

57456669361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90198880 (or 90198873 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 58.

The spelling of 57456669361 in words is "fifty-seven billion, four hundred fifty-six million, six hundred sixty-nine thousand, three hundred sixty-one".