57489621128 has 32 divisors (see below), whose sum is σ = 110722454400. Its totient is φ = 27963859392.

The previous prime is 57489621113. The next prime is 57489621131. The reversal of 57489621128 is 82112698475.

It is a self number, because there is not a number n which added to its sum of digits gives 57489621128.

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, 3510383 + ... + 3526721.

It is an arithmetic number, because the mean of its divisors is an integer number (3460076700).

Almost surely, 2^57489621128 is an apocalyptic number.

It is an amenable number.

57489621128 is a deficient number, since it is larger than the sum of its proper divisors (53232833272).

57489621128 is a wasteful number, since it uses less digits than its factorization.

57489621128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28269 (or 28265 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The spelling of 57489621128 in words is "fifty-seven billion, four hundred eighty-nine million, six hundred twenty-one thousand, one hundred twenty-eight".