49944251 has 4 divisors (see below), whose sum is σ = 57079152. Its totient is φ = 42809352.

The previous prime is 49944227. The next prime is 49944253. The reversal of 49944251 is 15244994.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49944251 - 2²² = 45749947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49944253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3567440 + ... + 3567453.

It is an arithmetic number, because the mean of its divisors is an integer number (14269788).

Almost surely, 2^49944251 is an apocalyptic number.

49944251 is a deficient number, since it is larger than the sum of its proper divisors (7134901).

49944251 is an equidigital number, since it uses as much as digits as its factorization.

49944251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134900.

The product of its digits is 51840, while the sum is 38.

The square root of 49944251 is about 7067.1246628314. The cubic root of 49944251 is about 368.2661782299.

The spelling of 49944251 in words is "forty-nine million, nine hundred forty-four thousand, two hundred fifty-one".