49773251 has 16 divisors (see below), whose sum is σ = 57702240. Its totient is φ = 42497280.

The previous prime is 49773247. The next prime is 49773253. The reversal of 49773251 is 15237794.

It is a cyclic number.

It is not a de Polignac number, because 49773251 - 2² = 49773247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49773253) 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 15 ways as a sum of consecutive naturals, for example, 9695 + ... + 13911.

It is an arithmetic number, because the mean of its divisors is an integer number (3606390).

Almost surely, 2^49773251 is an apocalyptic number.

49773251 is a deficient number, since it is larger than the sum of its proper divisors (7928989).

49773251 is a wasteful number, since it uses less digits than its factorization.

49773251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4294.

The product of its digits is 52920, while the sum is 38.

The square root of 49773251 is about 7055.0160169910. The cubic root of 49773251 is about 367.8454055872.

It can be divided in two parts, 4977 and 3251, that added together give a palindrome (8228).

The spelling of 49773251 in words is "forty-nine million, seven hundred seventy-three thousand, two hundred fifty-one".