49411509 has 32 divisors (see below), whose sum is σ = 77070336. Its totient is φ = 27578880.

The previous prime is 49411499. The next prime is 49411513. The reversal of 49411509 is 90511494.

It is not a de Polignac number, because 49411509 - 2⁴ = 49411493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49411509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49411589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258604 + ... + 258794.

It is an arithmetic number, because the mean of its divisors is an integer number (2408448).

Almost surely, 2^49411509 is an apocalyptic number.

It is an amenable number.

49411509 is a deficient number, since it is larger than the sum of its proper divisors (27658827).

49411509 is a wasteful number, since it uses less digits than its factorization.

49411509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 49411509 is about 7029.3320450808. The cubic root of 49411509 is about 366.9520957502.

The spelling of 49411509 in words is "forty-nine million, four hundred eleven thousand, five hundred nine".