49056565 has 4 divisors (see below), whose sum is σ = 58867884. Its totient is φ = 39245248.

The previous prime is 49056521. The next prime is 49056589. The reversal of 49056565 is 56565094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56565094 = 2 ⋅28282547.

It can be written as a sum of positive squares in 2 ways, for example, as 16532356 + 32524209 = 4066^2 + 5703^2 .

It is a cyclic number.

It is not a de Polignac number, because 49056565 - 2⁷ = 49056437 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4905652 + ... + 4905661.

It is an arithmetic number, because the mean of its divisors is an integer number (14716971).

Almost surely, 2^49056565 is an apocalyptic number.

It is an amenable number.

49056565 is a deficient number, since it is larger than the sum of its proper divisors (9811319).

49056565 is an equidigital number, since it uses as much as digits as its factorization.

49056565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9811318.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 49056565 is about 7004.0391917807. The cubic root of 49056565 is about 366.0713254446.

The spelling of 49056565 in words is "forty-nine million, fifty-six thousand, five hundred sixty-five".