49975493 has 8 divisors (see below), whose sum is σ = 51784728. Its totient is φ = 48190464.

The previous prime is 49975489. The next prime is 49975511. The reversal of 49975493 is 39457994.

49975493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12802084 + 37173409 = 3578^2 + 6097^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49975493 - 2² = 49975489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49975403) 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 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 10157.

It is an arithmetic number, because the mean of its divisors is an integer number (6473091).

Almost surely, 2^49975493 is an apocalyptic number.

It is an amenable number.

49975493 is a deficient number, since it is larger than the sum of its proper divisors (1809235).

49975493 is a wasteful number, since it uses less digits than its factorization.

49975493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103.

The product of its digits is 1224720, while the sum is 50.

The square root of 49975493 is about 7069.3346928831. The cubic root of 49975493 is about 368.3429503209.

The spelling of 49975493 in words is "forty-nine million, nine hundred seventy-five thousand, four hundred ninety-three".