57874649 has 4 divisors (see below), whose sum is σ = 66142464. Its totient is φ = 49606836.

The previous prime is 57874577. The next prime is 57874651. The reversal of 57874649 is 94647875.

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 57874649 - 2²⁰ = 56826073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57874597 and 57874606.

It is not an unprimeable number, because it can be changed into a prime (57874669) 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, 4133897 + ... + 4133910.

It is an arithmetic number, because the mean of its divisors is an integer number (16535616).

Almost surely, 2^57874649 is an apocalyptic number.

It is an amenable number.

57874649 is a deficient number, since it is larger than the sum of its proper divisors (8267815).

57874649 is an equidigital number, since it uses as much as digits as its factorization.

57874649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8267814.

The product of its digits is 1693440, while the sum is 50.

The square root of 57874649 is about 7607.5389581651. The cubic root of 57874649 is about 386.8086018598.

The spelling of 57874649 in words is "fifty-seven million, eight hundred seventy-four thousand, six hundred forty-nine".