57018354432 has 72 divisors (see below), whose sum is σ = 163425231984. Its totient is φ = 17544105984.

The previous prime is 57018354409. The next prime is 57018354443. The reversal of 57018354432 is 23445381075.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2845503 + ... + 2865470.

Almost surely, 2^57018354432 is an apocalyptic number.

57018354432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57018354432 is an abundant number, since it is smaller than the sum of its proper divisors (106406877552).

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

57018354432 is a wasteful number, since it uses less digits than its factorization.

57018354432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711005 (or 5710991 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 57018354432 in words is "fifty-seven billion, eighteen million, three hundred fifty-four thousand, four hundred thirty-two".