57649345 has 8 divisors (see below), whose sum is σ = 74500776. Its totient is φ = 42571776.

The previous prime is 57649289. The next prime is 57649357. The reversal of 57649345 is 54394675.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 57501889 = 384^2 + 7583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57649345 - 2⁷ = 57649217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443392 + ... + 443521.

It is an arithmetic number, because the mean of its divisors is an integer number (9312597).

Almost surely, 2^57649345 is an apocalyptic number.

It is an amenable number.

57649345 is a deficient number, since it is larger than the sum of its proper divisors (16851431).

57649345 is a wasteful number, since it uses less digits than its factorization.

57649345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886931.

The product of its digits is 453600, while the sum is 43.

The square root of 57649345 is about 7592.7165757718. The cubic root of 57649345 is about 386.3060049428.

The spelling of 57649345 in words is "fifty-seven million, six hundred forty-nine thousand, three hundred forty-five".