57909534 has 8 divisors (see below), whose sum is σ = 115819080. Its totient is φ = 19303176.

The previous prime is 57909493. The next prime is 57909539. The reversal of 57909534 is 43590975.

It is a sphenic number, since it is the product of 3 distinct primes.

57909534 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57909539) 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, 4825789 + ... + 4825800.

It is an arithmetic number, because the mean of its divisors is an integer number (14477385).

Almost surely, 2^57909534 is an apocalyptic number.

57909534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57909534 is a wasteful number, since it uses less digits than its factorization.

57909534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651594.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 57909534 is about 7609.8314041771. The cubic root of 57909534 is about 386.8863048956.

The spelling of 57909534 in words is "fifty-seven million, nine hundred nine thousand, five hundred thirty-four".