49029561 has 12 divisors (see below), whose sum is σ = 80937792. Its totient is φ = 28016856.

The previous prime is 49029559. The next prime is 49029571. The reversal of 49029561 is 16592094.

49029561 is a `hidden beast` number, since 4 + 90 + 2 + 9 + 561 = 666.

49029561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49029561 - 2¹ = 49029559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49029571) 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 11 ways as a sum of consecutive naturals, for example, 389061 + ... + 389186.

It is an arithmetic number, because the mean of its divisors is an integer number (6744816).

Almost surely, 2^49029561 is an apocalyptic number.

It is an amenable number.

49029561 is a deficient number, since it is larger than the sum of its proper divisors (31908231).

49029561 is a wasteful number, since it uses less digits than its factorization.

49029561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778260 (or 778257 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 49029561 is about 7002.1111816366. Note that the first 4 decimals coincide. The cubic root of 49029561 is about 366.0041431046.

The spelling of 49029561 in words is "forty-nine million, twenty-nine thousand, five hundred sixty-one".