49759561 has 16 divisors (see below), whose sum is σ = 54501120. Its totient is φ = 45239040.

The previous prime is 49759559. The next prime is 49759571. The reversal of 49759561 is 16595794.

It is not a de Polignac number, because 49759561 - 2¹ = 49759559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49759571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150166 + ... + 150496.

It is an arithmetic number, because the mean of its divisors is an integer number (3406320).

Almost surely, 2^49759561 is an apocalyptic number.

It is an amenable number.

49759561 is a deficient number, since it is larger than the sum of its proper divisors (4741559).

49759561 is a wasteful number, since it uses less digits than its factorization.

49759561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624.

The product of its digits is 340200, while the sum is 46.

The square root of 49759561 is about 7054.0457185930. The cubic root of 49759561 is about 367.8116775287.

The spelling of 49759561 in words is "forty-nine million, seven hundred fifty-nine thousand, five hundred sixty-one".