49552561 has 6 divisors (see below), whose sum is σ = 51321062. Its totient is φ = 47843040.

The previous prime is 49552553. The next prime is 49552571. The reversal of 49552561 is 16525594.

49552561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 4124961 + 45427600 = 2031^2 + 6740^2 .

It is not a de Polignac number, because 49552561 - 2³ = 49552553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49552561.

It is not an unprimeable number, because it can be changed into a prime (49552571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28620 + ... + 30301.

Almost surely, 2^49552561 is an apocalyptic number.

It is an amenable number.

49552561 is a deficient number, since it is larger than the sum of its proper divisors (1768501).

49552561 is an equidigital number, since it uses as much as digits as its factorization.

49552561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58979 (or 58950 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 49552561 is about 7039.3579962948. The cubic root of 49552561 is about 367.3009358931.

The spelling of 49552561 in words is "forty-nine million, five hundred fifty-two thousand, five hundred sixty-one".