57349471 has 4 divisors (see below), whose sum is σ = 57364632. Its totient is φ = 57334312.

The previous prime is 57349463. The next prime is 57349489. The reversal of 57349471 is 17494375.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57349471 - 2³ = 57349463 is a prime.

It is a super-3 number, since 3×57349471³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57344471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300 + ... + 11206.

It is an arithmetic number, because the mean of its divisors is an integer number (14341158).

Almost surely, 2^57349471 is an apocalyptic number.

57349471 is a deficient number, since it is larger than the sum of its proper divisors (15161).

57349471 is an equidigital number, since it uses as much as digits as its factorization.

57349471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15160.

The product of its digits is 105840, while the sum is 40.

The square root of 57349471 is about 7572.9433511680. The cubic root of 57349471 is about 385.6350255391.

The spelling of 57349471 in words is "fifty-seven million, three hundred forty-nine thousand, four hundred seventy-one".