49512969 has 24 divisors (see below), whose sum is σ = 78242112. Its totient is φ = 29922720.

The previous prime is 49512941. The next prime is 49512973. The reversal of 49512969 is 96921594.

49512969 is a `hidden beast` number, since 49 + 512 + 96 + 9 = 666.

It is not a de Polignac number, because 49512969 - 2⁵ = 49512937 is a prime.

It is a super-2 number, since 2×49512969² = 4903068198389922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49512989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63667 + ... + 64439.

It is an arithmetic number, because the mean of its divisors is an integer number (3260088).

Almost surely, 2^49512969 is an apocalyptic number.

It is an amenable number.

49512969 is a deficient number, since it is larger than the sum of its proper divisors (28729143).

49512969 is a wasteful number, since it uses less digits than its factorization.

49512969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437 (or 1434 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 49512969 is about 7036.5452460707. The cubic root of 49512969 is about 367.2030865718.

The spelling of 49512969 in words is "forty-nine million, five hundred twelve thousand, nine hundred sixty-nine".