5640577 has 4 divisors (see below), whose sum is σ = 5736240. Its totient is φ = 5544916.

The previous prime is 5640559. The next prime is 5640599. The reversal of 5640577 is 7750465.

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 5640577 - 2⁷ = 5640449 is a prime.

It is a super-2 number, since 2×5640577² = 63632217785858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5640527) 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, 47743 + ... + 47860.

It is an arithmetic number, because the mean of its divisors is an integer number (1434060).

Almost surely, 2^5640577 is an apocalyptic number.

It is an amenable number.

5640577 is a deficient number, since it is larger than the sum of its proper divisors (95663).

5640577 is an equidigital number, since it uses as much as digits as its factorization.

5640577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95662.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 5640577 is about 2374.9898947153. The cubic root of 5640577 is about 178.0086790365.

The spelling of 5640577 in words is "five million, six hundred forty thousand, five hundred seventy-seven".