57705906 has 8 divisors (see below), whose sum is σ = 115411824. Its totient is φ = 19235300.

The previous prime is 57705883. The next prime is 57705913. The reversal of 57705906 is 60950775.

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

57705906 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808820 + ... + 4808831.

It is an arithmetic number, because the mean of its divisors is an integer number (14426478).

Almost surely, 2^57705906 is an apocalyptic number.

57705906 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.

57705906 is a wasteful number, since it uses less digits than its factorization.

57705906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617656.

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 57705906 is about 7596.4403505853. The cubic root of 57705906 is about 386.4323013303.

The spelling of 57705906 in words is "fifty-seven million, seven hundred five thousand, nine hundred six".