57464013385 has 4 divisors (see below), whose sum is σ = 68956816068. Its totient is φ = 45971210704.

The previous prime is 57464013353. The next prime is 57464013389. The reversal of 57464013385 is 58331046475.

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 45105689161 + 12358324224 = 212381^2 + 111168^2 .

It is a cyclic number.

It is not a de Polignac number, because 57464013385 - 2⁵ = 57464013353 is a prime.

It is a super-2 number, since 2×57464013385² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57464013389) 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, 5746401334 + ... + 5746401343.

It is an arithmetic number, because the mean of its divisors is an integer number (17239204017).

Almost surely, 2^57464013385 is an apocalyptic number.

It is an amenable number.

57464013385 is a deficient number, since it is larger than the sum of its proper divisors (11492802683).

57464013385 is a wasteful number, since it uses less digits than its factorization.

57464013385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11492802682.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 57464013385 in words is "fifty-seven billion, four hundred sixty-four million, thirteen thousand, three hundred eighty-five".