57679945 has 8 divisors (see below), whose sum is σ = 69260544. Its totient is φ = 46114224.

The previous prime is 57679939. The next prime is 57679949. The reversal of 57679945 is 54997675.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 57679945 - 2¹³ = 57671753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57679892 and 57679901.

It is not an unprimeable number, because it can be changed into a prime (57679949) 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, 8422 + ... + 13648.

It is an arithmetic number, because the mean of its divisors is an integer number (8657568).

Almost surely, 2^57679945 is an apocalyptic number.

It is an amenable number.

57679945 is a deficient number, since it is larger than the sum of its proper divisors (11580599).

57679945 is a wasteful number, since it uses less digits than its factorization.

57679945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7439.

The product of its digits is 2381400, while the sum is 52.

The square root of 57679945 is about 7594.7313974887. The cubic root of 57679945 is about 386.3743426539.

The spelling of 57679945 in words is "fifty-seven million, six hundred seventy-nine thousand, nine hundred forty-five".