57946809 has 8 divisors (see below), whose sum is σ = 77297632. Its totient is φ = 38613600.

The previous prime is 57946799. The next prime is 57946841. The reversal of 57946809 is 90864975.

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

It is not a de Polignac number, because 57946809 - 2¹² = 57942713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57946859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10134 + ... + 14784.

It is an arithmetic number, because the mean of its divisors is an integer number (9662204).

Almost surely, 2^57946809 is an apocalyptic number.

It is an amenable number.

57946809 is a deficient number, since it is larger than the sum of its proper divisors (19350823).

57946809 is a wasteful number, since it uses less digits than its factorization.

57946809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8807.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 57946809 is about 7612.2801446084. The cubic root of 57946809 is about 386.9692969519.

The spelling of 57946809 in words is "fifty-seven million, nine hundred forty-six thousand, eight hundred nine".