57560649 has 4 divisors (see below), whose sum is σ = 76747536. Its totient is φ = 38373764.

The previous prime is 57560639. The next prime is 57560653. The reversal of 57560649 is 94606575.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57560649 - 2¹³ = 57552457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57560649.

It is not an unprimeable number, because it can be changed into a prime (57560639) 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, 9593439 + ... + 9593444.

It is an arithmetic number, because the mean of its divisors is an integer number (19186884).

Almost surely, 2^57560649 is an apocalyptic number.

It is an amenable number.

57560649 is a deficient number, since it is larger than the sum of its proper divisors (19186887).

57560649 is a wasteful number, since it uses less digits than its factorization.

57560649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19186886.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 57560649 is about 7586.8734667187. The cubic root of 57560649 is about 386.1077871107.

The spelling of 57560649 in words is "fifty-seven million, five hundred sixty thousand, six hundred forty-nine".