49446553 has 4 divisors (see below), whose sum is σ = 53250148. Its totient is φ = 45642960.

The previous prime is 49446521. The next prime is 49446563. The reversal of 49446553 is 35564494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29626249 + 19820304 = 5443^2 + 4452^2 .

It is a cyclic number.

It is not a de Polignac number, because 49446553 - 2⁵ = 49446521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49446563) 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, 1901778 + ... + 1901803.

It is an arithmetic number, because the mean of its divisors is an integer number (13312537).

Almost surely, 2^49446553 is an apocalyptic number.

It is an amenable number.

49446553 is a deficient number, since it is larger than the sum of its proper divisors (3803595).

49446553 is a wasteful number, since it uses less digits than its factorization.

49446553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803594.

The product of its digits is 259200, while the sum is 40.

The square root of 49446553 is about 7031.8243009905. The cubic root of 49446553 is about 367.0388260863.

The spelling of 49446553 in words is "forty-nine million, four hundred forty-six thousand, five hundred fifty-three".