57649343 has 4 divisors (see below), whose sum is σ = 57719880. Its totient is φ = 57578808.

The previous prime is 57649289. The next prime is 57649357. The reversal of 57649343 is 34394675.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57649343 - 2¹⁶ = 57583807 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 57649343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57649843) 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, 34028 + ... + 35681.

It is an arithmetic number, because the mean of its divisors is an integer number (14429970).

Almost surely, 2^57649343 is an apocalyptic number.

57649343 is a deficient number, since it is larger than the sum of its proper divisors (70537).

57649343 is an equidigital number, since it uses as much as digits as its factorization.

57649343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70536.

The product of its digits is 272160, while the sum is 41.

The square root of 57649343 is about 7592.7164440666. The cubic root of 57649343 is about 386.3060004755.

The spelling of 57649343 in words is "fifty-seven million, six hundred forty-nine thousand, three hundred forty-three".