50907449 has 4 divisors (see below), whose sum is σ = 52283364. Its totient is φ = 49531536.

The previous prime is 50907433. The next prime is 50907457. The reversal of 50907449 is 94470905.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94470905 = 5 ⋅18894181.

It can be written as a sum of positive squares in 2 ways, for example, as 44622400 + 6285049 = 6680^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 50907449 - 2⁴ = 50907433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50907049) 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 3 ways as a sum of consecutive naturals, for example, 687902 + ... + 687975.

It is an arithmetic number, because the mean of its divisors is an integer number (13070841).

Almost surely, 2^50907449 is an apocalyptic number.

It is an amenable number.

50907449 is a deficient number, since it is larger than the sum of its proper divisors (1375915).

50907449 is a wasteful number, since it uses less digits than its factorization.

50907449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375914.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 50907449 is about 7134.9456199750. The cubic root of 50907449 is about 370.6185150252.

The spelling of 50907449 in words is "fifty million, nine hundred seven thousand, four hundred forty-nine".