57543349 has 8 divisors (see below), whose sum is σ = 58788000. Its totient is φ = 56307792.

The previous prime is 57543341. The next prime is 57543371. The reversal of 57543349 is 94334575.

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 57543349 - 2³ = 57543341 is a prime.

It is a super-2 number, since 2×57543349² = 6622474028271602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57543341) 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, 11382 + ... + 15640.

It is an arithmetic number, because the mean of its divisors is an integer number (7348500).

Almost surely, 2^57543349 is an apocalyptic number.

57543349 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

57543349 is a deficient number, since it is larger than the sum of its proper divisors (1244651).

57543349 is a wasteful number, since it uses less digits than its factorization.

57543349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547.

The product of its digits is 226800, while the sum is 40.

The square root of 57543349 is about 7585.7332539445. The cubic root of 57543349 is about 386.0691013410.

The spelling of 57543349 in words is "fifty-seven million, five hundred forty-three thousand, three hundred forty-nine".