57809407 has 8 divisors (see below), whose sum is σ = 58816800. Its totient is φ = 56807520.

The previous prime is 57809387. The next prime is 57809431. The reversal of 57809407 is 70490875.

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 57809407 - 2¹⁵ = 57776639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57809407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57819407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23613 + ... + 25945.

It is an arithmetic number, because the mean of its divisors is an integer number (7352100).

Almost surely, 2^57809407 is an apocalyptic number.

57809407 is a deficient number, since it is larger than the sum of its proper divisors (1007393).

57809407 is a wasteful number, since it uses less digits than its factorization.

57809407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 57809407 is about 7603.2497657252. The cubic root of 57809407 is about 386.6631976337.

The spelling of 57809407 in words is "fifty-seven million, eight hundred nine thousand, four hundred seven".