57476809 has 8 divisors (see below), whose sum is σ = 62137152. Its totient is φ = 52850640.

The previous prime is 57476807. The next prime is 57476819. The reversal of 57476809 is 90867475.

It is a happy number.

57476809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57476809 - 2¹ = 57476807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57476801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4987 + ... + 11824.

It is an arithmetic number, because the mean of its divisors is an integer number (7767144).

Almost surely, 2^57476809 is an apocalyptic number.

It is an amenable number.

57476809 is a deficient number, since it is larger than the sum of its proper divisors (4660343).

57476809 is a wasteful number, since it uses less digits than its factorization.

57476809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17087.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 57476809 is about 7581.3461205778. The cubic root of 57476809 is about 385.9202341732.

It can be divided in two parts, 57476 and 809, that added together give a palindrome (58285).

The spelling of 57476809 in words is "fifty-seven million, four hundred seventy-six thousand, eight hundred nine".