57347869 has 8 divisors (see below), whose sum is σ = 58409208. Its totient is φ = 56290560.

The previous prime is 57347867. The next prime is 57347879. The reversal of 57347869 is 96874375.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3104644 + 54243225 = 1762^2 + 7365^2 .

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 57347869 - 2¹ = 57347867 is a prime.

It is a super-2 number, since 2×57347869² = 6577556157682322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57347867) 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, 51729 + ... + 52825.

It is an arithmetic number, because the mean of its divisors is an integer number (7301151).

Almost surely, 2^57347869 is an apocalyptic number.

It is an amenable number.

57347869 is a deficient number, since it is larger than the sum of its proper divisors (1061339).

57347869 is a wasteful number, since it uses less digits than its factorization.

57347869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015.

The product of its digits is 1270080, while the sum is 49.

The square root of 57347869 is about 7572.8375791377. The cubic root of 57347869 is about 385.6314347296.

The spelling of 57347869 in words is "fifty-seven million, three hundred forty-seven thousand, eight hundred sixty-nine".