57148671536 has 20 divisors (see below), whose sum is σ = 120791510664. Its totient is φ = 25976668800.

The previous prime is 57148671533. The next prime is 57148671553. The reversal of 57148671536 is 63517684175.

It is not an unprimeable number, because it can be changed into a prime (57148671533) 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, 162354005 + ... + 162354356.

Almost surely, 2^57148671536 is an apocalyptic number.

It is an amenable number.

57148671536 is an abundant number, since it is smaller than the sum of its proper divisors (63642839128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57148671536 is a wasteful number, since it uses less digits than its factorization.

57148671536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324708380 (or 324708374 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 53.

The spelling of 57148671536 in words is "fifty-seven billion, one hundred forty-eight million, six hundred seventy-one thousand, five hundred thirty-six".